The plague stopped the movement plus lack of technology
<span />
Answer:
Local governments are established by state governments. States use their own constitutions to legalize and define their local governments. ... They do that by passing ordinances, or regulations that follow state laws. Local governments also help the state by making sure election procedures follow state guidelines.
The greatest change in the West that was brought about by railroad expansion was a drastically increased population size, since people could now claim land and travel far more easily.