What do the Truman Doctrine, the Policy of Containment, and the Domino Theory have in common?

Containment of Communism

Explanation:

All three of these ideas were issued surrounding the idea that capitalist West had a moral duty to contain the spread of the communist East.

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.