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.
Crusades affected the Eastern church adversely as it faced the brunt of the warfare.
Explanation:
During the crusades, which were called by the Pope in the west, the western knights would go and pillage the cities in the<u> East and then other empires of the region would come and claim the lands again.</u>
The Eastern Churches were stuck in between this constant warfare and faced the brunt of the crusades often because<u> the crusaders could simply just go away again if they had to but the East was closer to the fighting spots.</u>
It is advancement because the civilization has kind of made a government and they have decided to grow multiple crops.
Answer:
One result of World War II was the Cold War. As the Soviets kicked the Nazis out of their country, the continued to march towards Berlin.