<span>the reestablishment of white supremacy–fulfilled through Democratic victories in state legislatures across the South in the 1870s. After a period of decline, white Protestant nativist groups revived the Klan in the early 20th century, burning crosses and staging rallies, parades and marches denouncing immigrants, Catholics, Jews, blacks and organized labor. The civil rights movement of the 1960s also saw a surge of Ku Klux Klan activity, including bombings of black schools and churches and violence against black and white activists in the South
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Iron Curtain: A term coined by Winston Churchill about the Soviet hold on Eastern Europe
Truman Doctorine: <span>principle that the US should give support to countries or peoples threatened by Soviet forces or communist insurrection.
Marshall Plan: Giving supplies and loans to struggling nations (Notably recovering Germany) to help them build up</span>
The right answer for the question that is being asked and shown above is that: "the Platt Amendment." The choice that would be violated if the United States were to annex Cuba following a conflict between the two countries is that of the <span>Platt Amendment</span>