Which european county was the first to import enslaved africans to the americas?

Spain

Explanation:

Though Portugal was the first to buy slaves out of Africa, Spain was the first country to send them to America. In 1502, a Spaniard named Juan de Cordoba became the first merchant to send an African slave to America, and Spain soon began relying on African slaves for its labor in the New World

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.