"a worn path" how is phoenix's use of her benefit heroic?

But one hundred years later, the negro still is not free. one hundred years later, the life of the negro is still sadly crippled by the manacles of segregation and the chains of discrimination. one hundred years later, the negro lives on a lonely island of poverty in the midst of a vast ocean of material prosperity. one hundred years later, the negro is still languishing in the corners of american society and finds himself an exile in his own land. so we have come here today to dramatize a shameful condition. in paragraph 3, which rhetorical technique is being used to add emphasis? a) overstatement b) understatement c) parallel structure d) rhetorical question

Which of the following describes a method of using chronological order?

My dog sleeps beside my bed he wakes me up in the middle of the night to let him out. complete, run-on sentence or comma splice