When americans moved west in the 1800s, they did this for many reasons. which of the following reasons is an example of a pull factor that encouraged americans to migrate?

Answer b there was plenty of land and resources available out west.

reasoning- it asks for a pull factor a pull factor benefits and makes them want to move there it's not a because that's a push factor that would be making the m move

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.