This was the ultimate goal of the Manstein Plan.
A book about this military campaign is titled Strange Defeat. The second part of this campaign was called Fall Rot. After the conclusion of this campaign, the British launched Operation Catapult, an attack on ships stationed at Mers-el-Kebir. This was the ultimate goal of the Manstein Plan. John Grierson manipulated footage to make a leader appear to do a jig after his country successfully completed this campaign. The fall of the Weygand Line during this campaign caused Paris to be declared an open city, after which tens of thousands of troops surrendered on the Maginot Line. For 10 points, name this 1940s campaign in which Nazi forces occupied a neighboring country.
A book about this military campaign is titled Strange Defeat.
German invasion of France in World War II [or Battle of France; or Nazi invasion of France during World War II; accept Fall Rot or Case Red until read; prompt on partial answers; accept obvious equivalents] &lt;Droge&gt;