posted by person .
Which statement best completes the following sentence?
One advantage of a federation is that________, but one disadvantage is that________.
d. citizens can participate at multiple levels of government; the national government may be too weak to provide services
c. citizens can participate at multiple levels of government; overlapping national and local services may be wasteful
b. power is concentrated on the national level; the national government may not be aware of local issues
a. power is concentrated at the local level; the local government may not be able to cooperate on national issues
i believe that its b but please correct me if i'm wrong