Answer: O Social and political activism in the U.S. Conservation efforts began
Explanation:
A sounds like the correct answer because Muhammad traveled all over Africa, Spain, and Europe converting people through his sermons.
we gave them land to have after the war was over so they can be separated
50 years is a long time but not long enough for the preconquest Aztec to forget their way of living before the Spanish came. The compromise lies in how easy it is to get historical information from the Aztec since some of them will have already learned Spanish very well and between how accurate these historical accounts are since little details about the preconquest Aztec society can be forgotten in 50 years.