Answer: A. I think hope it is right
Declaration of Independence
, then Articles of Confederation
, then the United States Constitution
, and finally, the Bill of Rights :'D
It dried up.
North Africa used to be a fertile grassland, even swampy in some spots, 12,000 years ago. By 1000 BC (actually quite a while before) it had dried up into what is the the largest desert i the world: the Sahara.