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: 13,14,15,16,18,19, and 20 are opinion and the rest are claim.
Explanation:
Answer:
The Gothic Line (German: ; Italian: ) was a German defensive line of the Italian Campaign of World War II. It formed Field Marshal Albert Kesselring's last major line of defence along the summits of the northern part of the Apennine Mountains during the fighting retreat of the German forces in Italy against the Allied Armies in Italy, commanded by General Sir Harold Alexander.
Explanation:
Communism, at the time, was the main priority of many nations. They didn’t want it to spread.