The correct answer is A. Superpowers competing for dominance in global affairs
Explanation:
The Cold War was an indirect conflict between the U.S. and the Soviet Union after the Second World War, from 1947 to 1991. Each of the parts involved and its allies represented two different sides, the Soviet Union was led by the Communist Party, in opposition to the U.S. guided by capitalism and a two-party system. Although there multiple factors that lead to this conflict, one of the causes of the Cold War was that both nations became superpowers after the Second World War as they were considered military giants and thus wanted to control nuclear weapons, ideologies (communism vs capitalism), military power and the space race (a competence for spaceflight capability) among other global affairs. Thus, one of the causes was two superpower competing for dominating global affairs.
Answer: c. The Interstate Highway System was constructed which allowed trucks to give faster service over longer distances.
Explanation: The Interstate Highway System, a 41,000 mile stretch of Highway roads was constructed after an act, signed by President Eisenhower in 1956. This enhanced the trucking industry as it was the beginning of fast travelling, trucks could go for longer distances without the hassle of traffic and long routes. The size and weight of trucks also meant that Highways were the more effective way for trucks to travel.
Its likely C because the harlem renaissance was primarly about black culture and civil rights.
The answer to your question would be B
Photosynthetic prokaryotes caused aerobic atmosphere during the history of Earth.