If you want a truly realistic look at what the country would look under one party Democrat control look no farther than Greece what they have is what the majority of the left seems to believe in.
Wow, did the Democrats win Greece as well?
So, do their votes in Greece count towards their Congress seats?
Does Greece have a big government big spending entitlement society? Do most Democrats in Congress support that type of government?
Greece's economy, which was never very good to begin with, went south for several reasons.
They joined the EU and lost control of their ability to print currency. And they started taking out loans to upgrade their military (who knows why, maybe they wanted to grab Cyprus). Guess who sold them the gear?