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The timber resources of Lebanon were already considerably depleted by 2,000 B.C. but they have continued to be exploited right down to the present time. Olive oil, grain, grapes, sheep and cattle were products in antiquity. Slaves had always been used some, but after 2,000 B.C. large numbers were imported from Egypt, so that it was soon not uncommon for households to have three. (Ref. 88 , 213 )

Iraq and syria

1. mesopotamia, proper

The term "Sumerian" has been coined by scholars from the place name of "Sumer" which by the third millennium was used to mean southern Mesopotamia as apposed to Akkad, the northern part. Sumeria was a city civilization and the important cities of Ur, Uruk, Larsa, Eridu and Kish had populations ranging from 15,000 to 250,000. One or more temple communities constituted a city, with priest administration and work-gangs to operate the irrigation system. The land of the city was divided into several categories, with some fields owned by the gods and worked on their behalf, some fields rented out annually to individuals and others awarded to individuals, rent-free.

The first dynasty of Ur has been dated archaeologically and historically from the King- lists (royal genealogical tablets found on the site) to about 2,700 B.C., but there was a high civilization at Ur before this, perhaps with the city functioning under the suzerainty of the Erech Dynasty. At least what appears to have been a royal cemetery has been excavated, dated prior to the first dynasty of Ur, in which the ritual of burial included human sacrifice, varying from six to seventy or eighty people, sometimes including asses and carts with grooms and various women's bodies. There was no evidence of violence; the men and women sacrificial attendants probably simply drank a drug and went quietly to sleep. Nothing like human sacrifice was ever mentioned from the later Sumeria. At any rate, the actual, historical first dynasty of Ur was that of Mes-an-ni-pad-da of about 2,700 B.C. and it lasted supposedly for 177 years. During the later part of this time, at about 2,600 B.C. it had succeeded in conquering various surrounding areas, under King Urukagina. This was followed by the usurpation of neighboring Umma by King Lugalzaggesi. Situated on the flat lands of the lower Euphrates, Sumer had no natural defenses and the cities became tempting objects of plunder to the barbarous people around. About 2,300 B.C. Sumeria was conquered by the neighboring Akkadians under their great leader, Sargon I. The Sumerian culture seemed to continue in the new, combined empire, however, and a "Golden Age of Ur" resulted. Sargon wrote of ships laden with goods in harbor at his capital and there were caravans of 200 donkeys traveling 12 to 15 hours a day plying between Armenia and Iraq. From 2,112 to 2,015 B.C. Ur remained the capital of this great empire, ruled by the five kings of the third dynasty. Iraq had a population of between four and five million at that time.

One of the characteristic features of each great Sumerian city was the ziggurat and that of Ur has been the best preserved. It has been suggested that if the Sumerians came originally from the Caucasus, one might assume that they felt that their gods had to have a mountain to stand or live on, and so they built the ziggurats, as substitutes. Ur was destroyed sometime after 2,000 B.C. and then for awhile it was under Isin lordship, then under the city of Larsa and finally under the Elamites who came from south Persia. The Elamite prince, Warad-Sin, who became king of Ur, rebuilt and enlarged the temples of the ancient city and his successor, Rim-sin served as king of Larsa also, and during his reign the population of the "old town" of Ur, that is, within the original walls, included an estimated 4,250 houses, probably with 34,000 people. The whole city, then, must have exceeded 250,000 and may have been twice that large. It was a manufacturing center with raw materials imported, sometimes from overseas via the Persian Gulf. Gold, copper ore, hard woods, ivory, pearls and precious stones were all brought by ship and recorded in bills of lading. (Ref. 238 , 28 , 213 )

Questions & Answers

how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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