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France entered WWII because of a defensive pact woth Poland. Because Germany declared War on Poland, France declared war on Germany. If Germany had declared war on France first, then Poland would have declared war on germany. -Feewet
September 1st 1939 Germany declared war on Poland. To honour the treaty between Poland, France and UK, France and UK declared war on Germany.
France and Britain declared war on Germany.
1914
England and France declared war on Germany on 3 September 1939 because Germany had invaded Poland and both England and France were committed to support Poland.
France never declared war on the US. it was part of the allies. Germany, Italy & Japan declared war in 1941-1942 on the US
France. Germany and France share a border.
They declared war in Sept.1939
Great Brittan & France.
In World War 2?
Poland
France Supported, Russia because of a pact they have made and are very good importing/exporting partners.But, France said that France will only support Russia if Germany attacked first .However, Unaware of the Russian-french pact Germany attacked.