Which author (1903–1950) wrote the allegory in which farm animals overthrow their human owner?

Which novella, published in book form in 1902, follows Marlow up the Congo River to find the ivory trader Kurtz? The line "He said he would shoot me unless I gave him the ivory and cleared out of the country" appears in which 1902 J… Which 1902 novella ends with Kurtz's dying words, "The horror! The horror!"? Which organization, founded in Chicago in 1902, still helps motorists today? Which 1903 novel opens, "Buck did not read the newspapers, or he would have known that trouble was brewing"? Complete the title of George Bernard Shaw's 1903 drama: "___ and Superman". Irish literary works of 1903 included Synge's "In the Shadow of the Glen" and which poet's collection "In the Seven Woo… In which 1903 Jack London novel does a dog who is half St. Bernard and half Scotch shepherd survive in the Yukon wilder…