Lamar needed an army to carry out his Indian policies , and he set out to build one , at great cost .
Lamar 's success in ethnically cleansing the Cherokee , a neutral tribe , from Texas emboldened him to do the same with the Plains tribes .
Lamar needed an army to carry out Lamar 's Indian policies , and he set out to build one , at great cost .
Lamar 's success in ethnically cleansing the Cherokee , a neutral tribe , from Texas emboldened him to do the same with the Plains tribes .