Answer:
Rivers. Community (town) development has traditionally risen on the banks of rivers that provided transportation and power.
<span>The Iron Curtain was west of the Soviet satellite nations
The western edge of the Soviet satellite nations was referred to as the "Iron Curtain" creating the Soviet side of Europe with the USSR on the eastern edge of the area. On the other side of the "Iron Curtain" were the free, or democratic, western countries. </span>
The main reason why violence occured in Kansas after the passage of the Kansas-Nebraska act is because this act allowed while settlers to decide on their own whether or not to allow slavery in the territory, which angered many citizens.