"Mark Twain is a heroic figure in literature, and everybody who studies American literature or American history knows about Mark Twain as a great novelist. But how many people are taught in our schools or in our books that Mark Twain was a leader of the Anti-Imperialist League at the turn of the century? That he spoke out against the invasion of the Philippines?"
January 1, 1970
https://en.wikiquote.org/wiki/Mark_Twain