Both The United States and the Soviet Union and but the was the first to put a satellite in orbit.

Both powers built up massive militaries and weapons stockpiles,

Explanation:

Both powers built up massive militaries and weapons stockpiles, and both powers used their might to influence international affairs, even if it meant deposing democratically elected leaders (as the Soviet Union did in East Europe and the U.S. did in Latin America).

my mind is an enigma