The Truman Doctrine in March 1947 A. established the Central Intelligence Agency (CIA)
B. immediately challenged the Soviet blockade of West Berlin with around-the-clock supply flights into West Berlin
C. asserted that the United States, as the leader of the "free world," must take up responsibility for supporting "freedom-loving peoples" wherever communism threatened them
D. aided in persuading both Republicans and Democrats in Congress to support his policies, beginning a long period of bipartisan support for the containment of communism throughout Latin America

i believe the answer is a

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south

i believe the correct answer is b.

international economic development agencies harm poorer nations by encouraging them to serve as exporters to wealthier nations.