Answer:
The greatest importance of this processes was that many products that were unknown to people in one continent were introduced to the people on the other. Europeans for example were introduces with corn, tobacco, etc. Additionally the Trans-Atlantic Slave Trade was important because it introduced free labor force that was brought to the colonies in the New World.
Step-by-step explanation:
After the Age of Exploration the process of exchange started. Culture, agricultural products, even religion were exchanged. The European countries gained a lot of welfare during this period. On the other side, Natives from American continent weren't so lucky, as the same thing can be said about many slaves that came from Africa to New World.