Which 1920 play by Eugene O'Neill is about a man who makes himself ruler of a Caribbean island?

Eight months after declaring war on Germany, the U.S. declared war in December 1917 on which dual monarchy? "King Coal" (1917) was to the mining industry what an earlier book by the same author had been to meatpacking. Who wrot… "Absolute freedom of navigation upon the seas, outside territorial waters" was point No. 2 of which 1918 program? Complete the title of W. Somerset Maugham's 1919 novel: "___ and Sixpence". Calvin Coolidge was the 1920 running mate of which winning presidential candidate? Which author's 1920 novel "Main Street" is set in the town of Gopher Prairie? Around 1920, Czech writer Karel Čapek popularized which word for a mechanical worker in his play "R.U.R."? Which Art Deco New York skyscraper, completed in 1930, is topped by a stainless-steel crown?