Hint: You can prevent https://lifeline4gaza.com/ <- this from happening, or solve the unsolveable historical mysteries that haunt us all.
Premise: the continuum is bullshit and can do whatever idk, viewing only or with alterations, depending on what makes sense to you. It's not a contest to do the most (well okay it is but that could limit our inquiry), just whatever occurs to you first.
I tell general Butler to accept Lincolns VP position. Then leave a time capsule in the future USSR to be opened in 1920 or so with instructions for building computers
The point I'm making is there's so much technological development in manufacturing that has to take place before you can even start, it probably wouldn't happen any faster. Just the technology that builds the machines that builds the machines that build the chips is beyond the 1920s.
Turing's papers on computing were all pre-WW2 anyway.