The good timeline.
>Whigs & non-Terdium Quid Democrats win out in the South, and the South gradually emancipates the slaves for large federal compensation packages that include the deportation of a specific % of the freed slaves, and the Southern Pacific Railroad being built; ideally this agreement is reached in the 1840s or so, and the emancipation period lasts from the 1840s-60s;
>With slavery out of the way as a national issue, immigration becomes issue number one, and the popularity of the Know Nothings in the South & Mid-Atlantic launch them into the presidency
>1920 style immigration quotas are made, specifically outlawing migration from Catholic majority nations with possible exceptions made for Ireland; national quota is made wherein immigration from Britain is preferred above all else, and specific limits are put on how many continentals or non-Europeans are let in
>In the absence of slavery, the South has a New South moment earlier than historically, and develops along similar lines to the non-slaveholding parts of the Ohio Valley; still less urban or suburban than the rest of the eastern U.S but more than historically, thus wealthier.
>Hundreds of thousands of lives saved, U.S wealthier without the scars of the civil war, ethnic majority preserved too. Only downside is the northeast would be slightly less urban without the swell of continentaloids but it'd still be overwhelmingly urban & modern compared to the rest of the western world.

>>17869970 (OP)
The best timeline is Swedes begin fucking like rabbits and America is filled, overflowing, like they are falling into the oceans, into the deserts of Mexico, the forests of Canada, literally brimming, you can not land a ship on American shores they are so full, of teenage virgin blonde Swedish girls.
instead we have this shitty brownclown timeline.