I'd say (B) but I'm not completely sure.
Answer:
1. Arches were very important for building aqueducts.
2. Caesar claimed to have turned Rome into a city of marble, because his last words were: “I found Rome of clay; I leave it to you of marble.”
3. Caesar built the Roman Forum as a large complex of government and public buildings, because this is one of the most renowned ancient wonders of the world.
4. The Pantheon in Rome features a large, rounded roof or ceiling known as a dome, since a rounded ceiling is known as a dome.
Answer:
They believed that the threat of war was real.
Explanation:
The Americans perceive the threat posed by the Soviets and nuclear war in the 1950s in that they believed that the threat of war was real.
This is evident from the fact that the Americans during this period constantly got to g suspicious of the Soviet Union undercovers in America. This even led to the suspension of blacklisting of some top-rated actors and producers in Hollywood. Also, some schools in America encouraged missile drill, that is, ways in which students can protect themselves during nuclear attack.
He was a secretary of war for Roosevelt, professor of law at Yale, was part of the judicial branch, and got stuck in a bathtub :)