Before 1960, it was rare for women to become heads of state. What is the most likely reason that it became more common after 1960?

Progress in gender equality was finally taking root in many parts of the world.

Explanation:

b. 155 enlisted men and no officers

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.