When two rival states pursue an arms control agreement in which they take measures to reduce tensions and increase cooperation, they are most likely participating in a ______ agreement.

Woodrow Wilson was in favor of the United States involvement in World War I because

a. he sought to create a balance against Russia. b. he assumed the United States could expand its power over Europe. c. it could help transform Europe into a region of peaceful democracies. d. international trade was threatened by a strong Germany.

Random-digit dialing carries which of the following possible errors?

a. sampling error b. interviewer error c. wording error d. tabulation error