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: -Hitler’s invasion of Poland in September 1939 drove Great Britain and France to declare war on Germany, marking 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: -Hitler had attacked Poland because he wanted Germans to live there. He considered the Polish people inferior and only fit as a work force. In the last three months of 1939, the Nazis murdered 65, 000 Jewish and non-Jewish Poles.

Detailed explanation-5: -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.