Sudetenland+(1938)

April of 1938. ..
 * Hitler ordered Generals to prepare to invade this mountainous borderland with Czechoslovakia were he claimed many irredentist Germans lived
 * Soon after, Hitler got the West to agree to a (phony) vote in Sudetenland (at the Munich Conference, '38 - Chamberlain).
 * Following the vote which supposedly was in favor of joining Germany, Hitler's troops rolled in.
 * Important because it removed the HIGH GROUND as a Czechoslovakian defense agains Hitler.