The U.S. Census Bureau estimated a U.S. population of about 396 million in ______.

The efforts of the labor movement resulted in the federal government recognizing the right to form __________.

A. companies B. interest groups C. political parties D. unions

Which of the following is among the small number of nations whose citizens are nearly as litigious as those of the United States?

A. Japan B. Spain C. Italy D. England E. Germany