Answer:
Unlike neighboring Spanish America, Brazil was a slave society from its outset. The African slave trade was inherent to the economic and social structure of the colony. Years before the North American slave trade got underway, more slaves had been brought to Brazil than would ever reach British North America.
Explanation:
Thomas Jefferson was concerned about the Louisiana purchase as the land was unexplored as Louis and Clark had only gone through a small section of the land. Also the land would add a lot of land for the United States witch was still developing as a country so that means that it could be left useless and unexplored and no people could live there
The US forces passing the 38th parallel would be your answer.
/~\ The correct answer is:
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<u>B. The spread of Islam throughout West Africa.</u>
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I hope this helps! /~\