What countries did christopher Columbus take over and what was the impact of dicoveries on the people in the conquered countries and Europe?

he impacted the world by sailing the ocean and finding America by this he brought people to settle on this new found land. he created a settlement and traded with the Indians, he brought gold and furs back to Spain to trade with

He also brought disease to America, like Smallpox, and forced the American Indians to westernize. The Spaniards killed thousands of people and forced the Catholic religion on them.