German message to the government of Luxembourg, citing an imminent British-French attack to justify German military operations in Luxembourg

MEMORANDUM FROM THE GERMAN GOVERNMENT TO THE LUXEMBOURG GOVERNMENT, DATED 9th.
MAY 1940
[Documents of German Politics, (Dokumente der deutschen
Politik), Part VIII, I, Pages 150-151]
The Reich Government has been reliably informed that England and France, in the course of their policy of spreading the war, have decided to attack Germany in the near future through Belgian and Dutch territory. Belgium and the Netherlands who, long since secretly violating their neutrality, have taken the side of the enemies of Germany, not only do not intend to prevent this attack but to favour it. The facts which go to prove this have been stated in detail in a memorandum which is being handed to the Royal Belgian Government and the Royal Government of the Netherlands a copy of which is enclosed herewith.
In defense against the imminent attack, the German troops have now received the order to safeguard the neutrality of these two countries with all the power at the disposal of the Reich.
The offensive, decided upon by England and France with the consent of Belgium and the Netherlands will also involve the territory of Luxembourg. To repulse the attack the Reich Government has therefore been forced to extend its military operations to Luxembourg territory also.
It has been known to the Grand Ducal Government of Luxembourg that the Reich was prepared to respect the neutrality and integrity of Luxembourg, provided that the other powers which are neighbours of the Grand Duchy would also take the same attitude. Negotiations for agreements to that effect between the powers concerned, which seemed to be almost completed in the summer of 1939, were then broken off by France. This breaking off of the negotiations by France finds its explanation in the military decisions now taken by her together with the other enemies of Germany, an explanation which does not need any further illustration.
The Reich Government expects the Grand-Ducal Government of Luxembourg to take account of the position created solely by the guilt of Germany's enemies, and to take all the necessary
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measures to prevent the Luxembourg population causing difficulties to the German military operations. The Reich Government, on its part, gives the assurance to the Grand-Ducal Government of Luxembourg that Germany has no intention, now or in the future, to interfere with the territorial integrity or political independence of the Grand Duchy.