Europeans ...
Dias
de Gama,
Columbus
Answer: That would be a junk bond.
The Cold War was a period of 40 years which during, tension was extremely high between both nations.
China
Eurasia
Southen Asia
The Mongol Empire decided to adopt certain Chinese customs to keep the people happy under their rule. Mongols did trade with the Chinese and used the Silk Route for traiding
The Americans simply wanted the land for themselves, they pushed the natives further out towards California, used them as slaves before Africans. Give me a time frame so I can answer the problem better