WORLD HISTORY

Detailed explanation-1: -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-2: -France and Britain responded to the invasion of Poland by declaring war on Germany on September 3, 1939. But they did not engage in a major battle with Germany until spring 1940, when the French, especially, found little success in halting the German advance in western Europe.

Detailed explanation-3: -On 3 September 1939-two days after the German invasion of Poland-France declared war on Nazi Germany according to its defensive treaty with Poland, when France’s ultimatum to Germany, issued the previous day, expired at 17:00.

Detailed explanation-4: -Neville Chamberlain announces war with Germany, 1939 This is an extract of the speech Prime Minister Neville Chamberlain made to the nation via a BBC Home Service broadcast at 11.15am on Sunday 3 September 1939.

Detailed explanation-5: -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.