Which War led to the containment of the Soviet Union's influence and nuclear capabilities?

The Cold War is indeed the correct choice because it was a prolonged period of geopolitical tension between the Soviet Union and the United States, along with their respective allies. Initiated after World War II, the Cold War was characterized by a struggle for global influence and ideological supremacy, centered on the spread of communism versus capitalism.

During this time, various strategies were employed to contain Soviet influence, including military alliances (such as NATO), economic assistance programs (like the Marshall Plan), and a nuclear arms race to deter Soviet expansion. The doctrine of containment was articulated by U.S. policy-makers as a response to perceived threats from the USSR, aiming to stop communism from spreading beyond its existing borders.

Other conflicts mentioned, like the Korean War, played a role in the broader Cold War context but were not singularly responsible for containing Soviet influence. The Korean War specifically reinforced the division of Korea and showcased the U.S. commitment to containment in Asia, while the Vietnam War demonstrated the complexities and challenges associated with this policy. The Gulf War, occurring much later, involved different geopolitical dynamics and was not focused on the containment of Soviet influence but rather dealt with issues related to Iraq and Kuwait.

Thus, understanding the Cold War as the primary context for the containment