In what ways could the failure to enforce conscription weaken rome?

It caused the Roman empire to have a small and weak army.

Explanation:  In the political system of empire, political power was concentrated in the figure of the emperor. The Roman Empire began with Octavian Augustus and ended with Constantine XI. The Senate served to support the emperor's political power.

The empire succeeded the Roman Republic. With the new system, Rome, which was a city state, was ruled by the emperor.

(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.

i believe its the indians