Australia declared war on Germany as well.
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.
mabey
Germany and Japan were allies during World War 2. They were not at war with each other.
Germany (Prussia) and France declared war on each other in 1870 during the Franco-Prussian War 1870-1871.
Germany
Britain and Germany were effected because they were at war against each other.
Germany and Great Britain
Australia was part of the British Empire, so when Britain declared war on Germany, it also meant that Australia and all of Britain's colonies had also declared war on Germany.
Germany and France were hostile to each other prior to World War II because Germany successfully invaded France in 1940. The relations between France and Germany is embodied in a cooperation called Franco-German friendship.
Australia declared war on Germany after the Invasion of Poland so September 3 1939
France and Germany