What if the American Civil War had gone differently?

The Union fights four years to stop the slave states leaving, and ends slavery doing it.

If it had gone differently: The Union splits for good; there is no single continental United States to become the next century's dominant power.

The real history on Wikipedia ↗

Later turning points that leaned on the American Civil War. Change it in the game and the ripples reach all of these.

1. 1870The first globalisation. Without it, The world economy stays a patchwork of regions; no belle-époque boom, and no 1914 shock when it unwinds.