The most accurate response is:
This dedicated government body demonstrated that the U.S. was serious about extending its influence beyond Earth. This meant the U.S. was willing to compete in the Cold War on every front possible, including in outer space.
The creation of NASA in 1958 signified a major commitment by the United States to the exploration and exploitation of space, reflecting the broader motivations of the Cold War that included technological and ideological competition with the Soviet Union. The space race became a critical arena for demonstrating technological prowess and national prestige during this period.