Writing Homework Help

I’m working on a history multi-part question and need an explanation and answer to help me learn.

How did the U.S. role in World War II and the Cold War affect our understanding and commitment to freedom and democracy?

1. in international relations
2. at home within the U.S. in terms of freedom and equality 

Think about this question and then develop your thesis for both 1 and 2.

Book: Give me liberty: An American History by Eric Finer sixth edition, please get info from this book not other resources, thanks