So from what I've read there were digital currencies as early as the 1990s but nothing really sustained happened until 2009 with the release of Bitcoin.
The Zumwalts should have kept the original vertical gun system instead of going for the AGS had that happened the system could be swapped out for VLS depending on mission giving a real example of effective modular design and implementation it would have also kept costs down and opened the door...
So why did the US focus on reducing the Japanese in the Marshalls and Gilberts instead of retaking Wake Island? Would it have been in hindsight easier to retake Wake than slugging it out on Tarawa?
There is some evidence for transpacific trade between the America and Asia dating back to antiquity. Peanuts have been found in ancient Chinese sites and tobacco was apparently in use in ancient Egypt
Any chance on developing the metallic TPS for the shuttle. From what I remember reading in the end it would have been cheaper to develop and maintain than the ceramics that ended up being used. Though ceramics were pursued because initially they were to be lower cost.
More French naval successes in the ARW and have them seize Hudson's Bay in 1782 rather than just raid it. French tried Hudson's Bay back to Britain in exchange for French islands off Quebec. France gets its pre-1763 Caribbean islands back and the British lesser Antilles goes to the US.
If French Huguenots arrive in mass instead of in a trickle from 1690 onward I doubt they would have much difficulty preserving their language and culture. As time wore on the French government would repeal Anti-Protestant laws(which they did in OTL). When France intervenes in the ARW perhaps...
I think it pretty much ends African immigration in American until decolonization of the continent post WWII. The ending of chattel slavery means that a greater number of European immigrants arrive in the southern states to make up the shortfall in labor.
Avoiding the civil war isn't too hard. Zachary Taylor surviving might be a good start. While a personal owner of slaves he was a die-hard unionist. Butterfly away the Kansas-Nebraska Act and the Dred Scot decision and a lot of the tension that led to the the civil war drops away.
Making...