Concept:The Mahdiyya Movement in Sudan was caused by several oppressive colonial policies, except one option that is not a historical trigger.
Explanation:Heavy taxation caused famine and widespread hardship in Sudan, helping to spark the movement.
The foreign government’s growing reliance on European Christians in administration also provoked resentment.
Official efforts to suppress the lucrative slave trade angered many Sudanese and contributed to the uprising.
However, an unpleasant immigration policy is not recorded as one of the causes of the Mahdiyya Movement.
Therefore, this is the option that did not trigger the movement.
Answer:C. unpleasant immigration policy of the foreign government