 Complete the following phrase:  In foreign policy, his government was torn between the traditional anti-militarism of the French Left and the urgency of the rising threat of Nazi Germany. The government cooperated with Britain and declared war on Germany when it invaded Poland in September 1939. Eight months of Phoney War thereafter, saw little or no movement. Suddenly in the spring of 1940, the Germans invaded France and defeated the French and British armies in a matter of weeks. The British Expeditionary Force 