This would be immigration.
Answer:
The answer is option C (The blending of Greek and Roman philosophies with Christian ideas)
Explanation: Scholasticism is not a theory , it is a way of teaching and thinking knowledge. Scholasticism started first in the middle age. it started when people started to use classical philosophy and Christian theology together. Classical philosophy means the ancient Greek philosophy. First of all two fathers from a church used Greek philosophy to explain Christian doctrine.
I’m thinking it was the boxer rebellion as that happened not long after the open door policy
July 4, 1776 it is important date (If your in America)
Because thats when the U.S became its own country and not part of Britain
hope this helps ^-^