Read the excerpt below and answer the question. two or three days and nights went by; i reckon i might say they swum by, they slid along so quiet and smooth and lovely. here is the way we put in the time. it was a monstrous big river down there--sometimes a mile and a half wide; we run nights, and laid up and hid daytimes; soon as night was most gone we stopped navigating and tied up--nearly always in the dead water under a towhead; and then cut young cottonwoods and willows, and hid the raft with them. then we set out the lines. next we slid into the river and had a swim, so as to freshen up and cool off; then we set down on the sandy bottom where the water was about knee deep, and watched the daylight come. not a sound anywheres--perfectly still --just like the whole world was asleep, only sometimes the bullfrogs a-cluttering, maybe. (p. 114) in at least 150 words, discuss how twain uses the mississippi river as a symbol for freedom in this passage, and explain how the river functions in the novel. cite examples from the novel to support your response.