The prime minister Robert Menzies blindly followed Britain in declaring war against Germany.
Britain was declared to be at war by Prime Minister Neville Chamberlain on September 3, 1939. This announcement followed Germany's invasion of Poland, which prompted Britain and France to respond by declaring war on Germany. Chamberlain addressed the nation via radio, marking the beginning of Britain's involvement in World War II.
Great Britain declared war on Germany in response to there invasion of Belgium.
Britain had a treaty to protect the neutrality of Belgium.
The German telegram to Mexico and the sinking of U.S. merchant ships.
Prime Minister Robert Menzies was a strong monarchist, staunchly supportive of England. When Great Britain declared war on Germany, Menzies followed by declaring Australia's support. He made the announcement that "in consequence of a persistence by Germany in her invasion of Poland, Great Britain has declared war upon her and that, as a result, Australia is also at war."
Australia had no choice but to declare war on Germany in 1914. Australia was a dominion of the British Empire, and Britain's declaration of war on Germany was binding to all of its dominions.
By Nazi Germany invading Poland, and Britain's ally, France joining Britain in declaring war against Germany, which in turn led Japan to declare war against Britain and France, which then escalated the war from a pan European to Global (eventually).
Winston Churchill
Neville Chamberlain did so as Prime Minister.
trying to avoid war by appeasing Germany.
Britain: At first Prime Minister Neville Chamberlain, then for the majority of the war it was Prime Minister Winston Churchill Germany: Adolf Hitler USA: I think it was Franklin D. Roosevelt, but whoever it was, he died before the end of the war and was succeeded by Harry S. Truman