The cold war started because the United States feared the Soviet Union was trying to control the world. There wasn't an actual war but there was lots of tension and fear of nuclear war.
False.
In fact, some New Deal programs borrowed ideas from things already done in Europe. For instance, already in the late 19th century, Germany under the leadership of Otto von Bismarck passed the Health Insurance Bill (1883), the Accident Insurance Bill (1884), and the Old Age and Disability Insurance Bill (1889). Such reforms in Germany continued after Bismarck ended his service as chancellor, with the Workers Protection Act (1891).
Germany's Old Age and Disability Insurance Bill of 1889 provided a pattern and precedent for the United States' Social Security Act, signed into law in 1935.
Hippocrates - Medicine
Euclid - Mathematics
I think it would be D. because Stalin didn't like the non-communist countries allowing that side to prosper, which is why the U.S. ended up with the food drops. I'm unsure though because I'm not sure if the Allies unified their zones in Berlin, but it seems incredibly likely.