When it comes to relationships, we expect to share thoughts, feelings, and ideas in a mutual exchange called proximity reciprocity similarity familiarity?

Social Exchange..

Explanation:

Social exchange theory is a sociological and psychological theory that studies the social behavior in the interaction of two parties that implement a cost-benefit analysis to determine risks and benefits.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.