What if the transcontinental railroad had gone differently?

Rails meet at Promontory Summit; the American coasts are a week apart, not a month.

If it had gone differently: The American West stays remote; settlement and the national market crawl for another generation.

1. 1870The first globalisation, The world economy stays a patchwork of regions; no belle-époque boom, and no 1914 shock when it unwinds.