Read the excerpt below and answer the question. Then they tucked the old man into a beautiful room, which was the spare room, and in the night some time he got powerful thirsty and clumb out on to the porch-roof and slid down a stanchion and traded his new coat for a jug of forty-rod, and clumb back again and had a good old time; and towards daylight he crawled out again, drunk as a fiddler, and rolled off the porch and broke his left arm in two places, and was most froze to death when somebody foundhim after sun-up. (p. 26)

In the passage above, which element of characterization does Twain use to convey information about Pap?

physical description
beliefs
actions
interactions