Final answer:
Germany's 'blitzkrieg' of Poland initiated World War Two.
Explanation:
Germany's 'blitzkrieg' of Poland marked the start of World War Two. The swift and coordinated attack by Nazi forces utilizing substantial tank and airpower overwhelmed Poland, leading to its rapid defeat. This event triggered the entry of Britain and France into the war, ultimately escalating into a global conflict.
Learn more about World War Two here:
https://brainly.com/question/11823247
