discovery of the new continent by Columbus

Columbus is human who discover America in 1492. This discover brought big changes all of the world. Most of people thought that earth is cube. So they thought that if they go straight forward, they will fall into the cliff. But Columbus thought that earth is circle. If he continue to go to front, he will arrive starting point. He excute his think. In this way, He discover new continent in which native lived. This made some problem. Columbus started voyage to find india. At that time, he believed that he arrived india. He conveied lots of gold by order of the Queen. Afterwards, gold mining is not well, he transported slaves, which they were indigenous people in their. There was a place out of the reach of civilization. So natives were forced to suffer helplessly to Europeans. There were Aboriginal people who live in their. And they suddenly harmed by Europeans. Saying they find the new continent is right?