D. The line between women's and men's work blurred as they helped each other do essential work.
Ans: Nationalism lead people to conflict. Archduke Franz Ferdinand was assassinated due nationalism by the Black Hand, a nationalist group that intended to liberate the Serbs from the Austro-Hungarian occupation. The death of Franz Ferdinand was one of the most important factos to cause the World War I.
They built the first city in the world
They enacted the earliest known comprehensive legal code. ...
They developed the first ever positional number system. ...
They could perform advanced arithmetic calculations.
MESOPOTAMIA IS RESPONSIBLE FOR MANY “FIRSTS” IN HUMAN HISTORY
its Spain..................
