The largest non-financial corporation in America is

Race relations in Brazil differ from those in the United States

because: a. Brazil has lacked much racial discrimination, while having more class discrimination. b. Brazil's citizens of African descent formed a civil rights movement much earlier than their U.S. counterparts. c. Brazil never had state-imposed racial segregation, and racial categories there still tend to be fluid and ambiguous. d. Brazil's Constitution has listed racism as a crime since the 1930s.

The United States can deliver nuclear weapons

a. only by launching them from missile silos. b. only by aircraft. c. by plane and by submarine. d. by plane and by truck. e. by submarine and by truck.