They are all good, but I will improve one: Comanche Trade Language
In addition to its current benefit, it generates a drip of experience while the alliance is strong.
New technologies:
Plains Hunters: Comanches are expert hunters and give you hunting tactics. (Food collection by hunted animals increases by 15%).
The Lords of the Southern Plains: Horse archers gain a bonus against villagers by 1.
Comanches are fierce protectors of their lands and will prevent invasions at all costs.
New unit:
Comanche Foot Archer: Cheap Archer Effective Against Infantry.
