Answer:
Possibly surrender of colonies since freedom of the seas, self-determination, and end to secret treaties were key aspects but I might be wrong.
Answer:
Cold War started in 1947.
The answer is b hope this helps man
Europe TL;DR: For reasons beyond human control, rooted deep in the divergent evolutionary histories of the continents, the Columbian Exchange massively benefited the people of Europe and its colonies while bringing catastrophic crumminess to Native Americans.
