How did the age of exploration affect many different populations of the world?

Well, often when explorers explored the world, they had a goal. Whether a goal was to spread a religion or conquest a place, there was always a goal. When the explorers for example tried to conquer a place, casualties often occurred. Which effected the amount of people in the population. Another example is when explorers were trying to spread a religion, the population changed.

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c it has to be i googled it

answer; ethnocentrism;