Which development made it possible for the comanche to move from the rocky mountains onto the plains

How many citizens of mexico does it take to equal the ecological footprint of the average citizen of the united states? it takes nearly three mexican citizens to equal the ecological footprint of the average u.s. citizen. it takes about 12 mexican citizens to equal the ecological footprint of the average u.s. citizen. it takes just over eight mexican citizens to equal the ecological footprint of the average u.s. citizen. two citizens of mexico equal the ecological footprint of one average citizen of the united states. they are essentially equal?

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

How many battles were confederate victories? (specifically: major battles)