Democracy in America Is Already Weak and It’s Only Getting Worse, Majority of Americans Say in New Poll.
https://www.newsweek.com/democracy-america-weak-poll-996088
If you have the patience to read a rather long explanation, it's here:
https://comingdarkage.blogspot.com/
Every culture in history has eventually collapsed, except the ones that were conquered before they could collapse. Libya was a notable exception. It had a king for 2800 years and then switched to a president.
The USA has been showing signs of impending collapse since about WW2. No nation has ever avoided collapse once the signs showed.