Answer: They were afraid that they would talk about "communisim" (interagation) and didn't want their children to become interigationists. Because during the 1950's, segragtion was a very big topic and this question is most likely talking about white parents and how the parent their children.
So the answer is "communisim"
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When and how to defeat Germany. Stalin and Roosevelt agreed that the us and Britain should attack Germany in the west and force them to divide their troops, but Churchill thought they needed more equipment,better trained soldiers and more landing craft then they should attack east west and south which FDR agreed with.