What best explains the differences in the shelters used by Native Americans in the Northeast and the Great Plains?

i think it's a)sparta

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)

depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.