What was the primary reason the u. s. fought in vietnam? it fought again communist control. the u. s. wanted to make vietnam a colony. vietnam wanted to be a colony of the soviet union. japan wanted to control vietnam.

The primary reason for why the US sent troops to Vietnam was to contain communism and stop its spread. This was part of the Domino theory.

boundary is what it refers to hope this

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for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

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