Approximately what percentage of children live in a household with both parents?

The justices of the Supreme Court vote unanimously to decide a case. Who decides who will write the majority opinion?

a. The chief justice decides. b. The justice with the most seniority on the Court decides. c. The justices decide by majority vote. d. It is decided by lot. e. The decision is made by the most senior justice.

The spark that ignited World War I was

a. the assassination of Archduke Ferdinand in Sarajevo. b. Germany's invasion of Poland. c. the British naval blockade in the Atlantic. d. the storming of the French Bastille.