A unitary government gave them too much power to the states
The story behind the Trail of Tears. That everywhere they cried on the way, a flower grow.
Probably a lot more rights
It reached to the extend that changes in the American society affects the world in the global scale one example is the LGBT movement. Also one example of US society being integrated into the world is Hollywood where american actors and actresses are idolized all over the world in their movies. Also integrating US economy made the USA a diversified nation of races and people.
Power to protect the common good
