What is the name of the treaty signed by Canada and the United States, that was meant to help control pollution along a portion of their shared border?
A) The U. S.-Canada Acid Rain
B) The North American Shield Pact
C) The Toronto Pollution Protocol
D) Great Lakes Water Quality Agreement

North American Free Trade Agreement (NAFTA) The North American Free Trade Agreement (NAFTA) is a treaty entered into by the United States, Canada, and Mexico; it went into effect on January 1, 1994. (Free trade had existed between the U.S. and Canada since 1989; NAFTA broadened that arrangement.)

Explanation: The answer is C

The North American Shield Pact

Explanation:

It helped controll population.

yes, there are senators in each state

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