Who does King accuse of being the African-American's "greatest stumbling block in the stride toward freedom" and why does he make this claim?

Which was an effect of the nuclear disaster at chernobyl, ukraine? people and animals did not get sick. drinking water was unsafe for a long time. forests got healthier than they had been. all the nuclear power plants in the world were closed.

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

Ato z on the bun timeline show where the events listed a through g board blow fit on the timeline