Members of one house of Congress and one or both parties are included on this temporary committee, which exists for the purpose of addressing a specific issue.

What was the primary purpose of the Antiballistic Missile (ABM) Treaty?

a. to promote collective security b. to promote regional security c. to eliminate most antiballistic missiles d. to reduce the threat posed by nuclear weapons

In differential research designs,

A) Ideal comparison groups are easy to find. B) It is impossible to find good comparison groups. C) Comparison groups are unnecessary. D) It is difficult to find ideal comparison groups.