In World War I, the two sides of the conflict were as follows:
Allied Powers: France, Japan, Russia, Great Britain, and, later in the war, Italy and the United States.
Central Powers: Germany, Austria-Hungary, and the Ottoman Empire
I believe the answer is: Family structures are changing, but families remain important to American life.
The main reason of the changing structures is the increase in divorce rate, and non-monogamous relationship. In the past, almost all children only have one father and one mother. In recent years, children could have more than 2 parents or even only one (in case of single parenthood)
D is the most applicable, and Hammurabi's code did all of the above.
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances