Guess the surnames (family names) or adopted/popular names of these world leaders.
Note that East Asian full names start with surnames. For example, Mao Zedong's surname is Mao, which starts with M.
For Quiz #1, see https://www.jetpunk.com/user-quizzes/113197/world-leaders-a-z. For Quiz #2, see https://www.jetpunk.com/user-quizzes/113197/world-leaders-a-z-2.