Which Argument Is Made by Supporters of a Physical Wall

Multiple Choice

Which argument is made by supporters of a physical wall separating the United States and Mexico?

A) Immigration reform cannot be successful without a secure border, and the wall is the best way to secure the border.
B) The United States is one of the only countries in the world that does not have a physical barrier separating itself from its neighbors.
C) Physical barriers serve as a deterrent, and deterrence is the most successful long-term strategy to secure the border.
D) Physical barriers are a cost-effective security measure, and will end up saving significant amounts of money over the lifetime of the barrier.