Who played the most important role in exploring the americas? christopher columbus, queen isabella or amerigo vespucci

What was the result on the u.s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

What does the quote describe? “the closeness of the place, and the heat of the climate, added to the number in the ship, which was so crowded that each had scarcely room to turn himself, almost suffocated us….the shrieks of the women, and the groans of the dying, rendered the whole a scene of horror almost inconceivable.”

The annexation of bosnia and herzegovina by austria-hungary in 1908 caused serious bitterness between serbia and austria-hungary.