What did the term ”west” refer to in the 1840s?
a) all land between canada and mexico
b) all land between the atlantic and pacific oceans
c) land west of the mississippi river to the pacific ocean
d) land west of the atlantic ocean to the appalachian

Explanation:

C) land west of the Mississippi River to the Pacific Ocean

the map that was shown mostly had eastern asia highlighted. the answer would mostly likely be "the spread of communism into eastern asia set the stage for the korean war."

hopefully this .