My Note: The Democrat Party is garbage; they have been behind a large number of the major ills in our society and you would never know this watching the mainstream media. Do your homework, check for yourself, see which party (1) supported the trail of tears, slavery, Jim Crow, and the welfare state, and (2) initially resisted the civil rights movement.
The common argument is that the parties “switched” and all of the racist Democrats become Republicans and all of the freedom-loving republicans became Democrats… but is that really true? The answer is no. As an intro to the countering of such nonsense, consider: