The plow, wheel, and a system of writing called cuneiform. Irrigation was also a major invention created by the Sumerians.
Explanation:
The Soviet Union was determined to have a buffer zone between its borders and Western Europe. It set up pro-communist regimes in Poland, Hungary, Bulgaria, Czechoslovakia, Romania, Albania, and eventually in East Germany
American leaders chose to create a new plan of government because they were afraid that, with the plan of government they had already, the new nation would fall apart.
Answer: kinda..
explanation: He dramatically expanded the system of national parks and national forests. After 1906, he moved to the left, attacking big business, proposing a welfare state, and supporting labor unions. ... Roosevelt mediated the Russo-Japanese War (1904–1905), for which he won the 1906 Nobel Peace Prize.
