GENERAL KNOWLEDGE

Detailed explanation-1: -The North American Free Trade Agreement (NAFTA), which was enacted in 1994 and created a free trade zone for Mexico, Canada, and the United States, is the most important feature in the U.S.-Mexico bilateral commercial relationship.

Detailed explanation-2: -Explanation: The North American Free Trade Agreement (NAFTA) is an agreement signed by Canada, Mexico, and the United States, creating a trilateral trade bloc in North America. The agreement came into force on January 1, 1994.

Detailed explanation-3: -The correct answer is A) China. The North American Free Trade Agreement, also referred to as NAFTA, came into force in 1994 and its main goal was to promote, create and facilitate the foreign trade between Mexico, Canada, and the United States. Therefore, China was not included in it.