The correct answer is b.) All three developed progressively more accurate models of our solar system.
Indeed, Copernicus proposed the heliocentric model, placing the Sun as the center of the universe and not Earth, in the 15th century. Kepler discovered the three scientific laws of planetary orbit around the Sun in the 17th century. Newton created the laws of universal gravitation and motion in the 17th century as well, basing a good deal of his research on Kepler’s work.
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.
Answer:
It was basically a way of payment to come to America. They would put in very hard work for the next 7 YEARS in order to pay for just one ticket on the ship from Europe.
Answer
B. The United States was prepared to use the Unit
Explanation
Communism is a system of social organization where all the property is owned by the community and each individual receives and contributes according to their abilities and needs.The heading mentions that the U.S troops were fighting communism in South Korea to tell the whole world that the U.S was against communism type of governance.