In some tribal societies it is highly encouraged for the son or daughter of one tribe to marry the son or daughter of a neighboring or rival tribe to build camaraderie and form an alliance. This pattern of marital behavior is called .
A) exogamy
B) endogamy
C) polygyny
D) polyandry

A. Exogamy

Explanation: Exogamy can be simply refered to as the custom or norms of marrying someone outside of your own community, clan or social group. The society normally decides the rules that will govern the marriage as well as the extent of the marriage such that they may agree for it to happen just once or continual marriage between the two communities or clans. This kind of marriage build alliance between the communities and clans as well as reduce the chances of their offspring have a certain kind of diseases which they are trying to avoid.

aristocracy, timocracy, oligarchy, democracy, theocracy and tyranny

explanation:

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.