Are you talking about the guns because if you are it is making people kill more animals due to hunting which is caused by most americans.
C ..............................
Answer:
The Mexico–United States barrier (Spanish: barrera México–Estados Unidos), also known as the border wall, is a series of vertical barriers along the Mexico–United States border intended to reduce illegal immigration to the United States from Mexico.
Explanation:
Like the atmosphere, the ocean transports and distributes heat on Earth, helping to regulate climate.