A psychology professor surveyed college students on his campus to determine their attitudes toward binge drinking. His work fulfilled which objective of science?

The constitutional basis for dual federalism was

a. the Twelfth Amendment. b. the commerce clause. c. the necessary and proper clause. d. the Tenth Amendment. e. the necessary and proper clause.

The Fourteenth Amendment ensured that the a. states had an equal voice in the debate about citizenship

b. states could not infringe on the rights of citizenship. c. federal government could not infringe on the rights of citizenship. d. federal government would yield to the states on matters concerning citizenship.