The belief that the united states was
meant to stretch from the atlantic to the
pacific was called
a. imperialism
b. exploration
c. manifest destiny
d. american dream

Manifest Destiny. It was the belief that the United States should expand to the Pacific Ocean, because since the Native Americans were not "using it properly" it was their god given right to use because they believed that God gave it to them.

answer; i believe the two groups were irish immigrants and chinese immigrants;