10. What development made exploration to Africa easier for Europeans? A. More accurate maps
B. Knowledge of African languages
C. An ice bridge that formed between Italy and the northern coastD. The sailboat

A) More accurate maps

Explanation:

the pf text book says: "This caused cartographers to create new and better maps of the region. One example, the "New Map of Africa," by Abraham Ortelius, was published in a well-known atlas at the time. The atlas was called Theater of the World, and contained seven maps of Africa. Ortelius's map was one of the first maps of Africa that correctly captured the continent's shape."

to sum up the quote, new maps that more accurately depict africa were developed.

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.

c. is the answer : ) (you may punch me if im wrong lol)