Which word signals a cause?

so
then
since
therefore

Sister carrie, chapter ii theodore dreiser how does the author prepare readers for the last full paragraph of this passage? a) the author introduces carrie by showing readers the similarities between carrie and her sister, who is married to a hardworking man. b) the author introduces carrie as the jealous sibling of minnie, who works hard to make carrie feel welcome without upsetting her own marital balance. c) the author introduces carrie as an observant and young woman who notices the routine of her sister and brother-in-law, with whom she is staying. d) the author introduces carrie as a rather selfish and naive young woman who accepts the hospitality of her sister and brother-in-law until she can find a job in the city.

The difference between the present reservoir, with its silent sterile shores and debris-choked side canyons, and the original glen canyon, is the difference between death and life. glen canyon was alive. lake powell is a graveyard. which word best contributes to the author’s sad tone?

The question below refers to the selection “ozymandias” by percy bysshe shelley. the traveler seems to believe that — a. monuments are eternal b. the passage of time is necessary and inevitable c. we must preserve relics of past civilizations d. even the greatest works are destroyed by time