Answer:
Lifeboat ethics is a metaphor for resource distribution proposed by the ecologist Garrett Hardin in 1974. Hardin's metaphor describes a lifeboat bearing 50 people, with room for ten more. The lifeboat is in an ocean surrounded by a hundred swimmers.
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Answer:
Brumley's gang is similar to Shepherd's, a group of guys who would "just get worse as they got older, not better." Ponyboy thinks this gang is made up of illiterate hoods.