Why did america fought against communism with the south in the Vietnam war?

simple, because they feared that the communism would spread.

the answer is a. for apex ur welcome

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.