however, Sumerian is an ancient Mesopotamia civilization that was located on the plains of the dried Euphrates river. they were agriculturalists and invented the earliest form of writing known as cuneiform,they also invented an ancient form of calendar, as well as irrigation methods and the ox plow.
The Axis alliance included Italy, Germany, and Japan. The USSR did join for a little bit during World War 2, however that was because they were afraid of Germany's power.