A way that helped the Americans create a powerful nationalist feeling is??? ​

American nationalism, or United States nationalism, is a form of civic nationalism, cultural ... It produced the Constitution for a strong national government which was ... that all men are created equal", and then they feel that moral sentiment taught in .

Explanation:

Wars and conflict helped Americans to have a powerful Nationalist feeling.

American nationalist is a movement of securing freedom and safety of people towards the country's culture and traditions. The war and conflict helped them because they need to stop it.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.