You have to show them.

Well, why not stir up revolution here in Palestine in Feisul's name?
Why not get the malcontents to murder Jews wholesale, with propaganda blowing full blast to make it look as if Feisul's hand is directing it all?
It's as simple as falling off a log.

French agents who look like honest Arabs approach the most hairbrained zealots who happen to be on the inside with Feisul, and suggest to them that the French and British are allies; therefore the only way to keep the British from helping the French will be to start red-hot trouble in Palestine that will keep the British busy protecting themselves and the Jews.
"The secret agents point out that although Feisul is against anything of the sort, he must be committed to it for his own sake.

And they make great capital out of Feisul's promise that he will protect the Jews if recognized as king of independent Syria.

Kill all the Jews beforehand, so there won't be any for him to protect when the time comes--that's the argument." Mabel interrupted.
"Haven't you warned Feisul ?" She had both elbows on the table and her chin between her hands, and I dare say she had listened in just that attitude to fifty inside stories that the newspapers would scatter gold in vain to get.
"I sure did.