The mountians
The Rocky Mountains stopped pioneers from moving west until a passageway way was found that could be crossed with wagons.
The Appalachian Mountains
Moving images of actual footage
enuhu
enuhu
no
go, start, or continue
If the Eath stopped moving on its axis the day would be as long as a year.
Stationary front
Yes by moving them with out eating them
-drowning in rivers -mountains (cold climate and getting seperated from group so they would starve and end up eating family or whoever was there to live)
Zero.