Technological advancements, such as the beginning of the space race and things of that sort.
The Lend Lease Act was an attempt by the United States to support other nations within the Allied Forces during World War II. Under this program the United States provided other Allied nations with food, oil, and material from 1941 to 1945.
Postclassical. The classical era was antiquity which ended with the fall of Rome. Post means after so postclassical is after the fall of Rome which is the same as medieval.
I believe it was a long drought :P
