Which actor played Chris, a middle-class kid who sees war up close, in the 1986 film "Platoon"?

As Carl Denham, Robert Armstrong calls which 1933 title character "the eighth wonder of the world"? As chancellor of which country in the 1930s did Kurt von Schuschnigg favor restoring the Habsburgs to the throne? When Charles Lindbergh rode down Broadway on June 13, 1927, New Yorkers showered him with what? As chief justice from 1864 to 1873, who presided at the impeachment trial of Andrew Johnson? As Claire Standish, Molly Ringwald endures Saturday detention in which 1985 film? As commander of the Army of Northern Virginia, who faced Ulysses S. Grant at the 1864 Battle of the Wilderness? As commander of which alliance's forces in 1950-52 was Dwight Eisenhower hampered by Europe's depleted armies? As country star Buck Bonham, Willie Nelson is torn between Dyan Cannon and Amy Irving in which 1980 movie?