The purpose of these lines is to show that every beautiful thing some time will lose its beauty either by time (nature's changing course) or by chance e.g. an unfortunate event
The answer to the question stated above would be "<span>She states that the founding documents confer rights on all people, including women, and therefore women are entitled to vote." She stresses that women are people too, and that they should be given equal rights as men - including the right to suffrage.</span>
D) They can provide evidence to support the speaker
(i think Im not 100% sure though)