Blitzkrieg was a revolutionary tactic used by the German Wehrmacht during World War II to overwhelm the enemy with rapid, relentless attacks. It involved the coordinated use of tank divisions, the Luftwaffe, and motorized infantry to quickly penetrate deep into enemy territory and overrun defenses. The tactic was particularly successful during the invasions of Poland and France, leading to swift victories as the enemy had no time to mobilize or defend effectively. Why was Blitzkrieg so effective