Of all the major European powers, which was the only one to remain outside of Napoleon's empire?

By 1812, the only areas of Europe free from Napoleon's control were Britain, Portugal, Sweden, and the Ottoman Empire. In addition to the lands of the French Empire, Napoleon also controlled numerous supposedly independent countries.

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.

answer-the island had airfields that the u.s. military needed.