Colummbian Exchange

Oceans just like walls. Isolate continents by its dangers and myths. No one can imagine the life without Columbian Exchange which changed and improved people’s lives. The Columbian Exchange evolved several continents, including America, Africa, Europe and Asia.
Many fruits and plants migrated to other continents, and massively produced. It was hard to think of South America without bananas, which was from Africa; or Italy without tomatoes, which was from America; or Europe without potatoes, which was from America; or even Florida without oranges. Over times, those crops and fruits became an import part of diets around the world. Besides, crops migration offered the increase in population, since there were more grains to eat. For instance, grains from Africa, just like wheat, rice, barley and oats, were introduced to America. These grains helped with the overdeveloped soil in America and the lack of nutrition. Not only in America, African foods, just like bananas, black-eyed peas and yams, were transported to European ships. Trading of fruits and plants, not only stimulated the economic growth, but also the population.
Not only products, but also plenty of African slaves were traded as goods. During the triangular trade, with rum, tobacco, manufactures and guns were carried to Africa. At the same time, countless Africans were forced to America, within 20% of them died during the journey. Besides, the survived slaves experienced harsh lives in America, living on small, dreary huts, working long days and suffering beatings. The slave trade caught huge loss to Africans. Many African families broke down, dispersed all around the America. However, African slaves offered enough cheap labors to help the American Industrial revolution.
During the exchange, diseases were also spread. Because America used to be isolated, Native Americans did not have complete immune function to defeat diseases; they even did not know what these diseases were. Smallpox, influenza, typhus,...