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By the end of this section, you will be able to:
  • Discuss how the United States responded to the terrorist attacks of September 11, 2001
  • Explain why the United States went to war against Afghanistan and Iraq
  • Describe the treatment of suspected terrorists by U.S. law enforcement agencies and the U.S. military
In 2001, terrorists hijack four airplanes to attack the U.S., and the U.S. invades Afghanistan; a photograph of soldiers aiming their guns from behind a hill in Afghanistan is shown. In 2002, George W. Bush creates the Department of Homeland Security. In 2003, coalition forces invade Iraq. In 2004, Massachusetts legalizes same-sex marriage, and Mark Zuckerberg founds Facebook; a photograph of Zuckerberg sitting with a laptop computer is shown. In 2005, Hurricane Katrina devastates Alabama, Louisiana, and Mississippi; an aerial photograph of underwater homes and trees is shown. In 2007, Nancy Pelosi becomes the first female Speaker of the House; a photograph of Pelosi is shown. In 2008, the global financial crisis begins, and Barack Obama is elected president; a photograph of Barack Obama taking the oath of office beside Michelle Obama is shown. In 2010, Congress passes the Affordable Care Act. In 2013, terrorists attack the Boston Marathon, and the Supreme Court rules the Defense of Marriage Act unconstitutional; a photograph of bystanders assisting the injured at the finish line of the Boston Marathon is shown.
(credit “2004”: modification of work by Elaine and Priscilla Chan; credit “2013”: modification of work by Aaron Tang; credit “2001”: modification of work by “DVIDSHUB”/Flickr)

As a result of the narrow decision of the U.S. Supreme Court in Bush v. Gore , Republican George W. Bush was the declared the winner of the 2000 presidential election with a majority in the Electoral College of 271 votes to 266, although he received approximately 540,000 fewer popular votes nationally than his Democratic opponent, Bill Clinton’s vice president, Al Gore. Bush had campaigned with a promise of “compassionate conservatism” at home and nonintervention abroad. These platform planks were designed to appeal to those who felt that the Clinton administration’s initiatives in the Balkans and Africa had unnecessarily entangled the United States in the conflicts of foreign nations. Bush’s 2001 education reform act, dubbed No Child Left Behind, had strong bipartisan support and reflected his domestic interests. But before the president could sign the bill into law, the world changed when terrorists hijacked four American airliners to use them in the deadliest attack on the United States since the Japanese bombing of Pearl Harbor in December 1941. Bush’s domestic agenda quickly took a backseat, as the president swiftly changed course from nonintervention in foreign affairs to a “war on terror.”

9/11

Shortly after takeoff on the morning of September 11, 2001, teams of hijackers from the Islamist terrorist group al-Qaeda    seized control of four American airliners. Two of the airplanes were flown into the twin towers of the World Trade Center in Lower Manhattan. Morning news programs that were filming the moments after the first impact, then assumed to be an accident, captured and aired live footage of the second plane, as it barreled into the other tower in a flash of fire and smoke. Less than two hours later, the heat from the crash and the explosion of jet fuel caused the upper floors of both buildings to collapse onto the lower floors, reducing both towers to smoldering rubble. The passengers and crew on both planes, as well as 2,606 people in the two buildings, all died, including 343 New York City firefighters who rushed in to save victims shortly before the towers collapsed.

The third hijacked plane was flown into the Pentagon building in northern Virginia, just outside Washington, DC, killing everyone on board and 125 people on the ground. The fourth plane, also heading towards Washington, crashed in a field near Shanksville, Pennsylvania, when passengers, aware of the other attacks, attempted to storm the cockpit and disarm the hijackers. Everyone on board was killed ( [link] ).

A map shows the flight paths of American Airlines Flight 77, United Airlines Flight 93, American Airlines Flight 11, and United Airlines Flight 175 on September 11, 2001. The map contains a legend which lists chronologically the events of September 11, 2001. At 7:50 a m, American Airlines Flight 11 departs Boston from Logan International Airport. At 8:14 a m, United Airlines Flight 175 departs from the same airport. At 8:20 a m, American Airlines Flight 77 departs Washington D C from Dulles International Airport. At 8:42 a m, United Airlines Flight 93 departs Newark from Newark International Airport. At 8:46 a m, Flight 11 crashes into 1 World Trade Center. At 9:03 a m, Flight 175 slams into 2 World Trade Center. At 9:37 a m, Flight 77 hits the Pentagon. At 9:59 a m, the south tower (2 World Trade Center) collapses. At 10:03 a m, Flight 93 crashes in Shanksville, Pennsylvania. At 10:28 a m, the north tower (1 World Trade Center) collapses.
Three of the four airliners hijacked on September 11, 2001, reached their targets. United 93, presumably on its way to destroy either the Capitol or the White House, was brought down in a field after a struggle between the passengers and the hijackers.

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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Source:  OpenStax, U.s. history. OpenStax CNX. Jan 12, 2015 Download for free at http://legacy.cnx.org/content/col11740/1.3
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