Answer:
It was caused by diseases
Explanation:
The people of the Americas had never been exposed to such infectious diseases as measles and smallpox. Without any resistance to those diseases, they were helpless and died in huge numbers. This is the most important impact of the exchange because of the fact that it was so devastating to the native population.
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~Evelyn
Answer:
The reconstruction helped African Americans because this was the time where they could search for new jobs, because after slavery, new job posts would probably open. During the Reconstruction, the most African Americans were employed during the 1800s-1900s.