USA HISTORY

Detailed explanation-1: -German troops invaded Poland on September 1, 1939, triggering World War II. In response to German aggression, Great Britain and France declared war on Nazi Germany.

Detailed explanation-2: -Nazi Germany’s invasion of Poland on 1 September 1939, and Britain and France’s declaration of war on Germany two days later marks the beginning of World War II.

Detailed explanation-3: -World War II, which began in 1939 and ended in 1945, was the deadliest and most destructive war in history. Before the war, Germany, America, and the rest of the world were going through the Great Depression.

Detailed explanation-4: -Why did Germany invade Poland? Germany invaded Poland to regain lost territory and ultimately rule their neighbor to the east. The German invasion of Poland was a primer on how Hitler intended to wage war–what would become the “blitzkrieg” strategy.