How did population growth influenced urbanization in the US

(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

Where does the availability of water pose the greatest problem

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?