The City shall have the full power and authority to adopt, make exercise and enforce all legislation, laws and regulations and to take all actions relating to municipal affairs, without limitation, which may be lawfully adopted, made, exercised, taken or enforced under the Constitution of the State of California. Without limiting in any manner the foregoing power and authority, each of the powers, rights and responsibilities of governance set forth and described in this Charter, and as established by the Constitutional, statutory and judicially defined law of the State of California, is hereby declared to be a municipal affair or concern, the performance of which is unique to the benefit of the citizens of the City of Marina.