Yes, yes i can. what do you need help with?
Answer:
It provided the needed structure for the survival of the nation between 1781 and 1789.
Explanation:
After the American Revolution, that official document named the "Articles of Confederation" was drafted to reflect the idea and principles of the American Revolution.
There was need for a document that will provide a structure of survival while the American People figured out the best way to have and run an effective national government.
The Reconstruction era redefined U.S. citizenship and expanded the franchise, changed the relationship between the federal government and the governments of the states, and highlighted the differences between political and economic democracy.
Vietnam War is definitely one I'm not sure about the other two though
