Which of the following was an organization formed by native americans in an effort to encourage the return of native american lands?
a. the national farm workers association
b. the black panthers
c. the national youth council
d. the association for native american advancement

The following organization formed by Native Americans in an effort to encourage the return of Native American lands is d) The Association for Native American Advancement. This has now been shortened to the Native American Advancement Corporation. It is a non-profit organization which drives community based development for people who identify as Native Americans.

This dude types slow .-.
the answer is 
B. To force West Berlin to cut it's ties with Western Europe