Which region seemed to provide the greatest obstacle to railroad expansion? the great lakes the appalachians the mississippi river the rocky mountains

What was the government purpose for creating “day schools”

Which of these played the biggest role in increased urbanization in the late 1800s? a) transportation improved b) the military was stronger c) no one was farming anymore d) steam power was discovered

1.     in what kind of government does a small group have a firm control over a country?