I was playing Shoshone last week and I have to admit that I don't understand what the point of their UU is supposed to be. It doesn't do anything very exceptional or motivate me more to have Ranged Horse units when other units of that time-frame (particularly Artillery and the early tank unit whatever it's called) pretty much hold things together at that stage rather well: Artillery have long enough range to limit the effectiveness of Ranged Cavalry, and the damage that Ranged Cavalry are doing in general at this stage of the game is lower proportionally than the early game because units like Fusiliers have higher Hit Points than in the early game. Throw on increased City range as well...and I just don't get it. And please note: I'm not saying the unit is underpowered, I'm saying the unit doesn't make sense and doesn't seem to have a purpose.