Part of it was because of the Industrial Revolution and the invention of the cotton gin by Eli Whitney.
The assassination of Franz Ferdinand is what started WW1, which was done by Serbian rebels, but the county was Austria-Hungary. The two nations that escalated the conflict was Russia, who supported Serbia, and Germany, who supported Austria.
Answer:
Feudalism started in the 5th century
Explanation:
The aftermath of World War II was the beginning of an era defined by the decline of the old great powers and the rise of two superpowers: the Soviet Union (USSR) and the United States of America (USA), creating a bipolar world. Europe was divided into a US-led Western Bloc and a Soviet-led Eastern Bloc.
