3 September 1939
1939
If Hitler took Poland then Britain and France would declare war on him, which they did.
France declared war, after they had been invaded and taken over.
1987
France
France and Britain had promised to declare war if Germany tried to obtain anymore territory. And they kept that promise when Poland was invaded.
i wanty the answering
Great Britain and France declared war on Germany in 1939, because germany had invaded land that Great britain had to protect for france.
Great Britain and France declared war on Germany in 1939, because germany had invaded land that Great britain had to protect for france.
September 1939
italy
France allied with the colonist and declare war on Great Britain.