DBWI: a USA without him?

So, we're essentially saying:
1) No DBWI weakens the triune system - could this fracture? could there be a single presidency or is a consul system (a biune? :p) more likely?
2) Arnold might pull a Napoleon - chances of success and repercussions?

Noone has really discussed his grandson DBWII and his involvement in the formation of the Colorados from Mexico, but I guess too many butterflies!
 
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