Britain Allies With France (CYOAH)

Britain Allies with France. The french, buoyed by the alliance decide to invade Germany. The french army sweeps into the Rhineland while the British navy lands on the baltic coast. Without German help Finland collapses. Poland invades Germany from the east and the government is forced to surrender. In the peace that is imposed on Germany It is carved up by Britain,France and Poland. The USSR victorious in Finland,decides to attack the baltic states. Stalin's army launches an attack in May 1936.

What does Poland do?