In mark twain's narrative "i sell a dog," who does the narrator sell the dog to?

Answer the question find a book and find the answer to this question

What ideal of imagist poetry is best reflected in this poem by ezra pound in which he compares a crowded metro station to a flowering tree branch? in a station of the metro the apparition of these faces in the crowd; petals on a wet, black bough. a. poetry should be about urban subjects and ideas. b. old poetry should be rewritten in a modern style. c. poets should be able to describe ordinary subjects in new ways. d. poets should write about new subjects with conventional techniques.

What is the central idea in this advice from branch rickey to jackie robinson?