This depends entirely on the period in question, since prior to the Civil War the states started to gain more power (since many of them actually seceded from the Union), but after the Civil War the federal government solidified its hold over the states.
It is true, St. Augustine is the oldest permanent settlement in the united states
Answer:
Sorry I might be too late for this, but The answer is C: It was the idea that if one nation fell to communism, others would soon follow the example.
Explanation:
This was a huge fear that the Americans had during LBJ's presidency. They feared that if South Vietnam fell to communism, others countries like Laos, Thailand, and other Southern Asian countries would also too. This eventually led to the US sending troops to South Vietnam therefore starting the declaration of the Vietnam War.