Mula sa akdang polina iopd
B because it is “pulling” someone away from their home land, making it a pull factor
(D) Great hope it helped lol
The most economic event was the civil war i hope this helps
Explanation:
to cross the Continental Divide
In the mid-1830s Narcissa Whitman and Eliza Spalding became the first white women to cross the Continental Divide when they accompanied their husbands—Marcus Whitman and Henry Harmon Spalding—on a Congregationalist mission in the Northwest.