Answer:
The vast Persian Empire contained many conquered peoples with different beliefs and cultures, while the Greek civilization consisted of independent city-states that all had their own beliefs.
Plebeians. Plebeians were the lower-class, often farmers, in Rome who mostly worked the land owned by the Patricians.
Synonym for refract could be bend,swing arch or something similar to those words.
Truman is claiming that if the United States does not help Greece and Turkey, they will eventually fall to communism.
This excerpt is from a speech given by Truman after World War II and is the basis of the Truman Doctrine. After World War II, the US was worried about the Soviet Union and the system of communism spreading all over Europe. If communism spread, it would increase the Soviet Union's power, making them the world's largest superpower.
The US did not want this to happen, as they feared that if one country fell to communism, nearby countries would fall as well. This is known as the domino theory. To prevent this from happening, the US ends up giving $400 million to Greece and Turkey in order to stabilize their economy.