Much of u. s. foreign policy in the 1960’s was concentrated on stopping the spread the world.
a. dictators
b. communism
c. capitalism
d. socialism

b

explanation:

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.