Answer:
1. they finally joined the war because Germany embarked on a deadly gamble. Germany sank many American marchent ships around the British isles which prompted the American entry into the war
Answer:
6000 years ago
We believe Sumerian civilization first took form in southern Mesopotamia around 4000 BCE—or 6000 years ago—which would make it the first urban civilization in the region. Mesopotamians are noted for developing one of the first written scripts around 3000 BCE: wedge-shaped marks pressed into clay tablets.