The dark defender made them
France and Great Britain.
Great Britain A+
Great Britain declared war on Germany in September 1939 after Germany invaded Poland.
Poland
They and Great Britain had committed to the defense of Poland.
Britain and France joined the war, becaus Germany invaded Poland. The reason for this is that Britain and France had a pact with Poland, Denmark and Belgium.
Great Britain entered World War 2 in 1939 after Germany invaded Poland.
Great Britain and France declared war on Germany on September 3, 1939, in response to Germany's invasion of Poland on September 1, 1939. This invasion violated agreements made by Germany to respect Polish sovereignty, and both Britain and France had pledged to support Poland in the event of an attack. The declaration marked the beginning of World War II in Europe.
Britain had an agreement with France that if Poland was invaded they would both step in to help.
Yes.
Germany after they invaded poland, austria, and france
When Germany invaded Poland in 1939, France and Britain, who had promised aid to Poland if Germany invaded, entered the war on the Allied side, thus starting the Second World War.