The Munich Conference was an example of
before World War II.

Appeasement

Explanation:

Great Britain and France used a policy of appeasement before World War II. Basically, they allowed Germany and Italy to invade other countries,take territory,and build up their militaries. They hoped that if they didn't take any action, a war could be avoided. At the end of the Munich Conference, Great Britain and France allowed Germany to annex parts of Czechoslovakia.

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.