B the answer is "b" I remember learning this in class
Its the periodic movement if that what your asking for
The King Center kept up its efforts. It organized a march on Washington that included an estimated 500,000 people. Coretta Scott King, along with Wonder, presented a petition signed by 6 million people to House leader Tip O'Neill. The House took up the bill in 1983 and it passed by 53 votes.
The correct answer is D.
Roosevelt Corollary is seen as an addition to the Monroe Doctrine in which the US stated it would not interfere with the politics of the European nations if they did not interfere in the Western Hemisphere. The Roosevelt Corollary was presented to the Congress after the Venezuelan crisis and it states that US will intervene and mediate the conflicts between European and the nations of Latin America and enforce any claims of the European nations if they are legitimate.
The answer is A they worked long hours and had low pay.