In particular, Clemenceau sought an American and British guarantee of French security in the event of another German attack.

Offended by the British "guarantee" on 31 March 1939 of Polish independence, he said, "I shall brew them a devil's drink".

Mid-way through 1941, Phibun sought British and American guarantees of effective support if Thailand were invaded.

The meeting decided that in return for a British guarantee of French control in Syria, the British would be given a mandate over Mosul and Palestine.

In this way, Bonnet played a major, if indirect role in the progress leading to the British "guarantee" of Poland on 31 March 1939.

Arabs living in one of the existing districts of the Arabian peninsula, the Emirate of Hejaz, asked for a British guarantee of independence.

Polish diplomacy also secured British guarantees to Romania in the Polish-British Common Defense Pact of 1939.

This action led to a British and French guarantee for the territorial integrity of Greece.

The British guarantee was general.

Margolis accepts Buchanan's conclusion that the British "guarantee" of Poland in March 1939 was the greatest geopolitical blunder of the 20th century.