The scientific revolution of the 1500s and 1600s had renewed an interest in the scientific accomplishments of classical Greece and Rome. - D
This was achieved by the rediscovering of clasical works that were done during those ages. Through their help, the "scientists" of the time popularized various fields in mathematics and philosophy as well as astronomy.
The answer is a.
The Populist Party was originally formed by farmers in response to the growing threat big companies had on them. So that rules out b through d.
If you want me to give you a more detailed explanation of the Populist Party, let me know because I just had a final on this in college. :)
Answer:
In 1949, the prospect of further Communist expansion prompted the United States and 11 other Western nations to form the North Atlantic Treaty Organization (NATO). The Soviet Union and its affiliated Communist nations in Eastern Europe founded a rival alliance, the Warsaw Pact, in 1955. The alignment of nearly every European nation into one of the two opposing camps formalized the political division of the European continent that had taken place since World War II. This alignment provided the framework for the military standoff that continued throughout the Cold War.