Which is a nation's overall plan for dealing with other nations?
a. foreign policy
b. treaty
c. embargo
d. trade section

Foreign Policy since treaty's do deal with other nations but usually after tensions or conflicts, embargo is a part of trade so for instant an embargo tax, and trade section has to deal with embargo's so the best choice is Foreign Policy.

ghana achieved independence peacefully, while algeria gained independence through an armed struggle.

d. it gave farmers a way to organize for more political power