No they didn't. Republicans are the party that decided to align themselves with racists, and right wing terrorists because they had no effective policies to help anyone but American billlionaires and their mega corporations - their real base.
While the USA has built the richest economy in the world, it also has the highest rates of wage and wealth gaps, the highest rates of poverty, the highest rates of opioid and drug abuse, the highest rates of violent crime, the highest rate of maternal death in pregnancy, the most serial killers, and the highest rate of carbon useage in the first world.
Half your nation has been brainwashed by being told lies by their political leaders.
Your current economic model is not sustainable, but because it benefits the oligarchs, they're using billionaire owned media to promote the idea that Democrats are destroying the nation. They have been proven to lie to their viewers, and they're still telling the same lies about an election that wasn't stolen at all.