What may have caused the number of migrants from Central America to rise between 2010 and 2015?

More than 4.4 million international migrants from Central America worldwide have settled in another country, according to 2017 estimates by the United Nations Population Division. Almost 80 percent resided in the United States, which was the top destination for every origin country from the region except Nicaragua

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.

the correct answer is:

b) a rich merchant.