Which diffuculty had to be overcome in the building of the transcontinental railroad a. prairie farmers b. native american raids on work camps c. government regulations protecting the environment give answer quicc tysm ill give stars hehe

a because the britsh thought the ameracans were trators so a

the answer in this question is b.(1) create a clear chain of command; (2) limit independence of lower-level workers.  the numbered pair of phrases that best completes the tables as it relates to the united states federal bureaucracy was (1) create a clear chain of command; (2) limit independence of lower-level workers.