During the middle ages, the most dominant social, political, and economic force was the germanic kingdom the feudal system the frankish kings the silk road

Option B.

Explanation:

The feudal system, is the right answer.

The government and society throughout the middle ages were based on the Feudal system. Ninth and the fifteenth centuries was the period of time in which this system flourished. In this system, the king distributed a piece of land to his nobles for service. This was a system based on hierarchy, in which the king was at the top and the slaves were at the bottom, in between came the Bishops, Barons and nobles, Knights and peasants.

yes, there are senators in each state

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.