Geographically the fighting takes place in two separate fronts
Because you want to introduce the person and give them the red carpet treatment (which you are doing) to show you have respect and they get that
When Mexico became a part of NAFTA, along with Canada and the United States, it eliminated tariffs against Canada and the United States but maintained them against nonmembers.
NAFTA, or the North American Free Trade Agreement was created in 1994, and many states and countries prospered because of it.
