Since the data on gender differences in mathematical ability tend to support both a nature and a nurture hypothesis, the ________ validity of any one interpretation is in doubt

________ commerce refers to economic activity between states that ________ be regulated by the federal government.

a. Interstate; cannot b. Coercive; can c. Fiscal; cannot d. Interstate; can

In terms of their beliefs about objectivity, peace studies scholars are most comparable to __________

A) realists B) liberalists C) Marxists D) postmodernists