Orthodox Christianity believes most of what catholics believe but reject the papacy.
The papacy is why you see the catholic sect of Christianity have a pope. Orthodox believe that it is just the bishops, no pope included.
Neutrality Acts prepared the United States for WW2
The science that isn't considered a social scence from the ones you've mentioned would definitely be biology as it studies the relation between things on a very small level and often includes dead specimens.
Answer:
haven't happened yet or they predict will happen