Which of the following best describes Upton Sinclair, Ida Tarbell, and Frank Norris's impact on journalism?

i think its provide for the common defense

cuban communists pressured the soviet union to place missiles in cuba.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.