For financial and legal support
An advantage of local governments is that they are able to adapt to local needs and react more quickly to local problems than a central government could, & it is more likely to be more efficient to run services locally then manage them from the center.
Romulus and Remus- twins raised by wolves, Romulus founded Rome after killing Remus. Aeneid- Aeneid gets the Trojan sword before going to Italy to found Rome. Hope this answer helps lmk if you need more answers
