<span>Aristarchus disapproved the belief that Earth is the center of the universe by the by discovering that the earth circles the sun. Eratosthenes disapproved the idea that the earth is flat by discovering that it is round.</span>
This law is known as the Immigration and Nationality Act of 1952. This law kept in place the national origins quota. This meant that there was only a certain amount of citizens from particular countries that were allowed to enter the US. Even though this keeps in place this quota, the law does remove racial barriers for immigration and naturalization purposes.
As proved by the transatlantic flights of Lindbergh and Earhart, postwar airplanes were engineered to fly greater Distances so the answer is. A.
