shaglio
The Prince of Dorkness
With Collective Rule,it'll make USA too overpowered and it's historic inaccurrate,because Western Expansion was mainly drove by the Europians immigrants,not by those who already lived in Eastern USA.
Maybe this should be added to Manifest Destiny: When liberating another civ's Settler from barbarians, and choosing not to return it to the owner, the unit remains a Settler rather than converting to a Worker.