How did aqueducts and sewer systems help expand the Roman Empire?

well A

Explanation:

The Romans are renowned for engineering marvels, among which is the aqueduct that carried water for many miles in order to provide a crowded urban population with relatively safe, potable water, as well as less essential but very Roman aquatic uses

step 1. boil eggs

step 2.eat eggs

step 3. get your hot poonts ready

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.