Aresearcher is making an argument that the increase in nuclear weapons led to distrust between american and soviet citizens in the 1980s. which of the following is a primary source that will her argument?

shia and sunni have mostly same beliefs and both believe in fundamental beliefs of islam. today there is up to 260 sects in islam that are in two main categories of shia and sunni.

the conflict of shia and sunni has been always amplified by world imperialism to prevent islam from gaining power.

shia believes in allah, prophet and all fundamentals of islam.

i hoped this can i plz have brainliest?

the answer is a) high entry costs

warfare was the primary means of cultural transmission in both regions.