Which prehistoric native american group were the first to have been discovered using fire for cooking and warmth?

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?