Which conditions made building the railroad difficult? check all of the boxes that apply. harsh weather little access to supplies opposition from congress attacks from white settlers drilling tunnels through rock

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."