How did US leaders respond to the threat of Soviet Expansion in
Europe?

Explanation:

World War II convinced U.S. leaders that the policies of isolationism and appeasement had been mistakes. To counter the growing Soviet threat, they sought new ways to keep the U.S. safe and protect its interests abroad.

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict