The correct answer is <span>Eisenhower
He believed that if a single country fell to a communist regime, they it would create an effect like dominoes that fall and that all others would fall down. That's the reason why the United States intervened in both Korea and Vietnam. Unlike Korea, the US weren't capable of preventing the victory of Communism in Vietnam.</span>
The correct answer is Austria-Hungary
Nationalism started rising after numerous years of wars during the 19th century. Austria-Hungary believed that it had the right to be the great empire that it used to be and that it partially was at the moment. That's why things like world war 1 happened since countries wanted to establish themselves as great.
The correct order is the following.
We are talking about social classes during the feudal system in the European Middle Ages. So the classification was the following.
At the top of the pyramid, was the king, followed by the nobles, then the knights and vassals, next, farmers, merchants, and craftsmen. And at the bottom of the pyramid, peasants, and serfs.
The feudal system worked out well during the Middle ages in Europe. It protected people who were dedicated to doing their jobs, meanwhile, the nobility tried to exert its power and influence on the king and the pope.
Some slave owners still used slaves, but after it was abolished they used rhinos to dig up crops with there horns.
