What are you talking about? The mid-19th century Republicans were strong federalist, pro-banking, and pro Cronie-Capitalism. The 19th century democrats tended to be state-rights, support of the common man (unless you were black). The Republicans of that time were hated by the south, and extremely popular in the northeast.
Issues have changed since those times, and the parties have evolved, or to some degree flipped their platforms along with their regions of supporters.
You can’t even be bothered to list the TOP issue for the Republicans?
The issue that caused their (redacted) FORMATION !!!
SHAME ON YOU.
Democrats have always been democrats. Support for “states rights” only extended as far as their immediate desires. Far from being underdogs the democrats ruled the roost politically for most of the nation’s beginning.
As for supporting the “common man” almost every society has its class-consciousness but the Southern Slavocracy went a step further with a virtual caste system. Chances of breaking through the stratified layers were extraordinarily poor.
No, the parties didn’t “trade places” or any of that nonsense.