Answer:
Established trading posts on the occasional coastal town.
Explanation:
A difficulty that had to be overcome during the building of the Transcontinental railroad was Native raiding on work camps.
They were most likely feeling proud spirtual and happy
This is shown in this part of the hymn.
Glory! Glory! Hallelujah! Glory! Glory! Hallelujah
Glory! Glory! Hallelujah! His truth is marching on