Answer:
He was responsible for Portugal's influence in the Great Age of Exploration. Because of him Portuguese explorers were the first to sail to Africa's Gambian river.
During The Cold War American and The Soviet union were caught in an arms race
Answer:
Lack of Trust in US Government
Explanation:
Prior to Vietnam, if the US government stated a policy goal, the motivations behind the goal were assumed to be good by the population.
Vietnam marked the moment where the US citizenry lost faith in its government. In particular, with its prioritization of stopping communism over all else. This occurred because of a lack of truth telling and imminent defeat.