The campaign to ban land mines has been pushed forward mainly by which international actor?

Both political parties hope to register and mobilize __________, who comprise the largest minority group in the United States

a. African Americans b. Hispanics c. Arab Americans d. Asian Americans

What is the best way for researchers deal with the ethical problem raised by randomly assigning some participants to a no-treatment control group?

A) by including only a treatment group with no control group B) by not telling participants that they might be in a no-treatment group C) by allowing participants to decide which group they would like to be assigned to D) by obtaining informed consent from participants who are told that they may be assigned to a no-treatment condition