Hitler’s stated objective in the 1930s was to reunite all ethnic Germans inside his "Third German Reich," and the first move to accomplish this objective was the: A. reoccupation of the Rhineland. B. occupation of the "Polish Corridor." C. annexation of Austria. D. annexation of the Czechoslovakian Sudetenland. E. annexation of Alsace-Lorraine.
Explanation: in chronological order 1. reoccupation of Rhineland, 2. annexation of Austria (so-called "Anschluss), 3. annexation of the Czechoslovaquian Sudentenland.