I think it was a big nuke that blew every body up
Big Stick Policy! He loved the saying 'speak softly and carry a big stick', meaning to use force instead of words when necessary. Formally, this was known as the Rosevelt Corollary, and it tied into the Monroe Doctrine.
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.
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