How was the nature of slavery a catalyst to the abolition movement

During which of the following steps of marx's transition from capitalism to communism would society be completely free from a ruling class

Which of the following episodes led to widespread charges that president reagan was not in adequate control? a. the u.s. retreat from lebanon after the bombing deaths of 241 u.s. marines as they lay sleeping in their barracks near beirut b. the trading of arms for hostages and the illegal funding of a right-wing insurgency in the iran-contra affair c. the sale of millions of acres of public lands to private corporations by the department of interior d. the proposal to congress, year after year, of federal budgets with huge deficits that ultimately ended up tripling the national debt

Using complete sentences, compare and contrast the leadership and accomplishments of martin luther king, jr. and frederick douglass.