How did Caesar Augustus's construction of roads and bridges most affect the Roman Empire? They united the empire. They created government jobs. They established beautification. They affected the flow of water.

They united the empire

Explanation:

Caesar Augustus was one of the Roman empire who ruled during ancient Roman times. During his reign, the empire is made up of different provinces (around 113 provinces).

In order to ensure that, no Roman official sent on official duty experienced difficulty in reaching the province, he had to build roads and bridges connecting all the provinces. This in turn lead to unification of the empire.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.