What did the u. s and it's allies want during the vietnam war

From my knowledge, the allies wanted to stop the spread of communism in Vietnam.

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )

i believe out of the choices it is a.