The limit has already shown for decades, and

the end is near. If there is no revolutionary changes in political system, crisis will be inevitable.

Polarization:

 

Big or small, our government has failed everyone but the wealthiest class. Most politicians barely maintain a pretense of representing the people — except during election years when they talk about “issues” and make promises they have no intention of keeping. Once in office, they become puppets of the richest ten percent of Americans.