What does gross domestic product (GDP) measure?

One way the textbook authors argue we might overcome oil shortages is:

A) ?socialist revolutions B) technological developments? C) ?government control of oil refineries D) ?increased climate change E) anarchy being overcome by diversity

The Supreme Court

A. has reduced its protection of symbolic speech dramatically, and has recently ruled against flag burning as a form of protected symbolic speech. B. ruled, during the Vietnam War, that the burning of draft registration cards was a protected form of symbolic speech. C. has generally protected symbolic speech almost as substantially as it has protected verbal speech. D. has ruled that even forms of symbolic speech considered to be dangerous to the public are protected. E. has protected symbolic speech much more substantially than it has protected verbal speech.