The correct answer is <span>A) John F. Kennedy
This was the famous Cuban missile crisis that occurred during Kennedy's presidency. Since the United States had their own bases in Europe close to Russia, Soviets decided to open up their own base in Cuba with missiles in case that the United States started a war. There was a huge problem about this and many people believed a war was going to begin.</span>
Arachaeologists believe Vinland was located in North America on the coast of the United States and Newfoundland in Canada. Vinland is the name given to the land historians believe Lief Erikson, a Norse Viking, first landed. This was before the Columbus exploration approximately five centuries preceding it and is the only Norse settlement outside of Greenland in the continent of North America.
