1. how might the development of spoken language have influenced the religious beliefs of stone age people?
a. spoken language would have made family groups more suspicious of outsiders.
b. spoken language would have allowed religious beliefs to spread more quickly.
c. spoken language would have created a new class of religious leaders.
d. spoken language would have encouraged humans to create religious cave paintings.

The development of spoken language might have influenced the religious beliefs of Stone Age people, as B. Spoken language would have allowed religious beliefs to spread more quickly. Although the spoken language may have made people more suspicious of outsiders, it would not necessarily mean that that suspicion would influence their religious belief, so not A. Although spoken language would eventually create a new class of religious leaders, it would probably not have influenced everybody, as not all people would have the same amount of articulation, so not C. And not D, as cave paintings would have been a form of visual communication.