After hearing of the Proclamation of Indonesian Independence that was proclaimed in 1945, Mononutu focused his efforts to help the people of North Maluku to determine the best response to the proclamation.
Setelah Proklamasi Kemerdekaan Indonesia, Mononutu memfokuskan usahanya untuk membantu rakyat Maluku Utara untuk menentukan respon mereka yang terbaik.