NAFTA is a multilateral trade agreement

What explains the growth of the national government's responsibilities? Has the national government taken over many of the responsibilities that are supposed to belong to the states?

What will be an ideal response?

Spuriousness is

A) the dependent variable. B) the independent variable. C) an illusionary relationship resulting from an unacknowledged other variable that is a cause of both the independent and dependent variable. D) something that should be encouraged in all research.