What Is The South Pass? A: Narrow Path in The Sierra Nevada mountains
B:Trail Used By Mountain Goats in the winter
C:twenty mile wide path in the rocky mountains
D: UnderGround Trail from Colorado to mexico

C

Explanation:

This explanation might help: The South Pass was the doorway through the Rockies for emigrants on the Oregon Trail. First discovered in 1813, then rediscovered by the mountain man Jedediah Smith in 1824, it was vital to transcontinental travel until the completion of the railroad in 1869.

answer; self-efficacy;

answer; foreign services officers;