Which of the following arguments can be put forth against lenient registration and voting laws?

a. It decreases the participation of minority groups in elections. b. It increases the possibility of votes being bought. c. It reduces the likelihood that disabled and elderly individuals will cast their ballot. d. It encourages only economically well-off individuals to vote.

Dag Hammarskjöld, secretary-general of the United Nations from 1953 to 1961, was a major architect of ______.

a. arbitration b. collective security c. trusteeship d. preventive diplomacy