Farming, especially cotton farming, thanks to eli whitney's cotton gin
Both egyptian and chinese written languages use pictures as a basis (aka pictographs). On the other hand, our alphabet and the alphabets it stems from base their characters on sounds.
It's territory was connected by flat plains, unlike Greece's steep mountains and numerous islands.
That's A, President Franklin D. Roosevelt. The topic you're asking about is extremely important. I would delve into a bit more research. I can't remember why FDR but I did the test a while back and got an A.
