Diseases from Europe had a devastating effect on . A. Northern Farmers
B. Native Americans
C. Dutch Traders
D. The Quakers

B. Native Americans

Explanation:

When Columbus and his legionaries came to the Americas in 1492, they brought several diseases, namely Smallpox, to which they were immune. However, the Native Americans had never encountered these diseases and thus had no resistance to them. These diseases swept across the continent and killed somewhere around 90% of Native Americans.

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explanation:

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.