I have searched the internet for political, social , and economic changes after the American Revolution. I have found the changes that brought it on. Where can I find changes following it.

Try these:

American Revolution - Wikipedia, the free encyclopedia

What Students Know About the American Revolution | Uma Venkateswaran, Warren Hierl, and Louisa Moffitt | Nov 2005 OAH Newsletter

Political, social, and economic changes in America during the Revolution - Colonial & Early American History - Helium - by John Fred