Surah Al Maida " O Muslims, do not seek help from Jews and Christians....."
So , in order to justify that stance , you need to make Takfir on Saddam " no? . Also, I am pretty sure you would accuse Arabs in ww1 for the betrayal of the Ottomans, do you realise that Arabs can say the same thing.
Past does not interest me but now and future.
No-one here needs history lessons.