The second amendment i will look in my notes for the quote
The answer is: A high demand for cotton.
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.
A: A rock that formed 700 million years ago
