I had kinda thought about that, but I think it would be better to let them disregard movement costs instead, reflecting their familiarity with the land.
I had also thought maybe you should add a frontiersman unit with same ability and bonuses for fighting indians. Plus adding Indian Fighter as a promotion.
I had also thought maybe you should add a frontiersman unit with same ability and bonuses for fighting indians. Plus adding Indian Fighter as a promotion.