Said City shall also have all other powers that may hereafter be given it by the Constitution and the laws of this State, and where any provisions of this charter shall be in conflict with any law or laws relating to cities, the provisions of this charter shall prevail, and said City shall have the power to enact and enforce all ordinances necessary to protect health, life and property, and to define, prevent, and summarily abate and remove nuisances; and to preserve and enforce good government and order, to protect the lives, health, and the property of the inhabitants thereof. The City shall have the power to engage directly or indirectly in advocacy calculated to influence legislative and administrative matters at all levels of government.