"be it known to all men that whereas all men are created equal and entitled to the rights of life, liberty and the pursuit of happiness, and because of this we, the duly elected representatives of the negro peoples of the world, invoking the aid of the just and almighty god, do declare all men, women and children of our blood throughout the world free denizens, and do claim them as free citizens of africa." source: which group is responsible for writing this text?