6. Which statement best characterizes life in the United States during the decade that preceded the Great Depression?

A. A span of years in which professional workers thrived while manual laborers were unable to find work.
B. A time of economic division and resentment culminating in widespread violence.
C. A period of stagnant business activity as the nation reacclimated to a peacetime economy.
D. An era of thriving economic growth and widespread prosperity.