How is washington d. c. a good example of devolution

Devolution refers to the transfer of power from federal level to local administration.
In washingron D.C, Social Security and Medicare program that commonly handled by The states is transferred to be handled by smaller local organization. Washington D.C could do this because the majority of its citizen is financially independent.

There can be more freedom for them

Ascenario that doesnt  include any modern objects like electricity