The 15th amendment is the answer
Winfield Scott, a General-in-Chief for the U.S. Union Army, came up with the Anaconda Plan to blockade the Southern waterways of the Mississippi and patrol the Mississippi river, in an attempt to split Confederate forces. The main drawback of the plan, although initiated from the onset, was that is was nearly an impossible task to accomplish due to the size of the Mississippi River.
A. the civilizing mission
The answer is b) flat plains. Egypt is a desert where as Mesopotamia is flat mud plains, so they are not similar there.
