WORLD HISTORY

Detailed explanation-1: -Britain and France stood by their guarantee of Poland’s border and declared war on Germany on September 3, 1939.

Detailed explanation-2: -Honoring their guarantee of Poland’s borders, Great Britain and France declare war on Germany.

Detailed explanation-3: -On September 3, 1939, in response to Hitler’s invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany.

Detailed explanation-4: -The Second World War was the most destructive conflict in human history. Years of international tension and aggressive expansion by Fascist Italy and Nazi Germany culminated in the German invasion of Poland on 1 September 1939. Britain and France declared war on Germany two days later.

Detailed explanation-5: -The reason why Britain didn’t declare war on the Soviet Union is an intriguing one. Unknown to the general public there was a ‘secret protocol’ to the 1939 Anglo-Polish treaty that specifically limited the British obligation to protect Poland to ‘aggression’ from Germany.

Detailed explanation-6: -On 3 September 1939, France declared war on Germany following the German invasion of Poland. In early September 1939, France began the limited Saar Offensive but by mid-October had withdrawn to their start lines.