Yes, generally speaking it is true that a <span>significant development of agrarian communities was the spread of language, since such advancement led to the "diversification of labor"--which helped ideas of many different kinds spread more easily. </span>
C is the answer to this particular question
Explanation:
everything can be found in the picture
Answer:
Trade became more difficult, as well as the movement of armies. It is hard to protect a falling Roman Empire from enemies when the roads don't support moving armies. Trade took a hit because how are you supposed to transport items from one way to another for sale if the roads cannot support your caravans?
