In the early 1960s, why was the US concerned about falling behind the Soviets in achievements in space?

On November 11, 1966, Gemini 12, piloted by Edwin “Buzz” Aldrin, became the first manned spacecraft to make a re-entry into Earth’s atmosphere that was automatically controlled. The Gemini program was a success and moved the United States ahead of the Soviet Union in Space Race. Apollo Moon Landing Program

a.

congress passed laws allowing for free passage between states.