#didnotstudy people living in the united states' outlying areas can usually do everything except:

a.
use the u. s. postal service

b.
travel freely in the united states

c.
vote fully in congress and for the president

d.
elect their governor

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation: