The U.S.

intervention in Vietnam, which spanned from the 1950s to the 1970s, was a complex geopolitical episode shaped by the broader context of the Cold War.

At the heart of this conflict was the ideological battle between capitalism and communism, which had profound implications for the global balance of power.

As the United States sought to contain the spread of communism, it perceived the growth of communist influence in Vietnam as a direct threat to its strategic interests in the region.

The Domino Theory, a widely held belief at the time, posited that the fall of Vietnam to communism would lead to a chain reaction, with other Southeast Asian nations succumbing to the same ideology. - https://vietnamfocusguide.com/blog/us-attack-vietnam-reasons/?unique_id_lpf977e5

"The Geopolitical Complexities of the Vietnam War: A Nuanced Exploration"