Answer:
The long border between the two countries means that peace and security in that region are important to the U.S.'s national security and international trade. The U.S. is Mexico's biggest trading partner and Mexico is the U.S.'s third-largest trading partners.
More organize and much more control over the nation also all choices and useless law that were made by one man (monarch) Is no more.
The correct answer is C! Hope this helps!!