Answer:
-Pioneers moved west through a desire to make their fortune through the farming of previously unfarmed lands – too many people it was regarded as an extremely exciting opportunity, a chance of a new life. -The attraction of cattle farming encouraged people to move out west.
Explanation:
That would be during the American Revolution so I would say patriotic.
D. Fear of communism spreading to many Asian countries
It upset the balance of free and slave states in the US.