However, the king disagreed with Prince Damrong, Minister of Interior, over Damrong's negotiation of the Anglo-Siamese Treaty of 1909 that ceded four sultanates to the British Empire.
Así e todo, o rei discrepou con Damrong, ministro de Interior, ao negociar este o Tratado Anglo-Siamés de 1909 que cedeu catro sultanatos aos británicos.