While executive actions may have the force of law, they lack ______.

After the Vietnam war, American politics entered an era of __________________ during which neither party maintained control over the government.

Fill in the blank(s) with the appropriate word(s).

Which of the following sanctions prevents North Korea from testing nuclear weapons on its own territory?

A) Economic sanctions are used to prevent North Korea from testing nuclear weapons. B) The U.N. Committee on Nuclear Disarmament censures North Korea's testing. C) South Korea keeps its northern neighbor in check. D) No foreign power can legally prevent North Korea from testing nuclear weapons.