This was a mixture of things.
The increase in population from soldiers and influx of immigrants caused the need for more food to be produced and more jobs to be demanded. So farmers started over producing which led to the Dust Bowl and, eventually, the Great Depression.
It showed a colonial revolt could produce a nation based on popular sovereignty
It is the legislative branch that received the most power under the Constitution, since the Founding Fathers wanted to make sure that only elected officials carried the most power to avoid the rise of tyranny.
Right wing is the way to go