Write a paragraph supporting your opinion on the following question: Who played the most important role in exploring the Americas?a. Christopher Columbus b. Queen Isabella c. Amerigo Vespucci

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else