The answer is A, natural selection.
The answer should be B. through both diplomacy and strength of arms
Answer:
The teaching of African American accomplishments are important because it educates the public on important African American contributions throughout history.
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.
