Answer: Aqueducts
Explanation: They were first developed around 312 B.C., these engineering marvels used gravity to transport water along with the stone, lead and concrete pipelines and into city centers. Aqueducts liberated Roman cities from reliance on nearby water supplies and proved priceless in promoting public health and sanitation.
Answer:
D. The wall was built to stop people fleeing from East Berlin to West
Berlin
Explanation:
The best reason for the building of the Berlin Wall was to stop people fleeing from East Berlin to West Berlin.
The Berlin Wall was erected on 13 August 1961 by East Germany and this was a means of preventing the authoritative people of the East from entering into the East which helped prevent undermining the democratic and socialist state status of the region.
The founder of Christianity is usually considered to be Jesus of Nazareth.
Hope this helps,
Davinia.