How do factors such as climate, mineral resources, and rainfall have an impact on development?

(1) which phrase describes an important agricultural change that occurred during the mississippian period? (a) first cultivation of wild grains (b) expansion of marsh elder farming (c) spread of corn agriculture (d) gathering of nuts and berries (2) which group of native americans use northwestern arkansas as it’s traditional hunting grounds? (a) osage (b) quapaw (c) woodland (d) caddo

The causes of the failure of the league of nations

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)