The Passage of the North American Free Trade Agreement (NAFTA)

The passage of the North American Free Trade Agreement (NAFTA) has had which of the following effects?

A) considerable decline in trade between the United States and Canada
B) reduction and removal of tariffs between Mexico, the United States, and Canada
C) rising corruption in Canada due to United States and Mexican firms who have relocated there
D) sharp decline in the flow of Mexican migrants into North America