Answer:
they wanted to look for new trade routes and hopes to find the source of gold, silver, and other valuables.
Answers:
The exchange introduced a wide range of new calorically rich staple crops to the Old World—namely potatoes, sweet potatoes, maize, and cassava. The primary benefit of the New World staples was that they could be grown in Old World climates that were unsuitable for the cultivation of Old World staples.
