Minh Mang at the same time was imposing an isolationist closed-door policy, blocking people from getting out, restricting foreign trade and missionaries.[23] The outside world was completely unaware of the bloodbath that occurring in former Champa.[24] Believing that Po Ouwalah Allāh will always bless and safeguard them for victory, the katip and his forces were unprepared for the court's paranoid retaliation and terrors that unleashed, and retreated to the highlands in the west, but still ordered revolts in lowland to keep fighting against government's soldiers.[24]