<span>It introduced diseases that resulted in a population decline.</span>
President Kennedy and Russian leader Nikita Khrushchev removed the missiles from Cuba and brought them back into the custody of the Soviet Union, which prevented an immediate threat of nuclear war.
Answer:
Henry the Navigator, a 15th century Portuguese prince, helped usher the Age of Discovery and the Atlantic slave trade. Henry himself wasn't a sailor or navigator but he did sponsor many exploratory sea voyages. He was born in Porto, Portugal in 1394. Although he was neither a sailor nor a navigator, he sponsored a great deal of exploration along the west coast of Africa.Henry became fascinated with Africa, A continent which the Portuguese knew little about. He developed a desire to learn about The Muslims who lived there so he could conquer them and spread Christianity.
