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Eurasia is the landmass of Europe and Asia combined. It is where Europe and Asia are.
In the later years of the 19th century, the European nations transitioned from "informal imperialism" — i.e., exercising military influence and economic dominance — to direct rule, bringing about colonial imperialism
Answer:
By learning from the past and improving technology, strategies, weapons.
Answer:
The Ming practiced isolationism to prevent foreign influences from undermining their values and society.