This resulted in a backlash against the Muslims residents of Arakan. The government efforts to drive them out of Burma, starting with the denial of citizenship. They need authorization to travel outside of their villages, their land is confiscated by the government for use by Buddhist settlers, their mosques are destroyed by the military and they are routinely subjected to forced labor. Facing this continuous persecution, the Rohingya have escaped to Bangladesh in large numbers, with the biggest influx in 1991 and 1992, when about 250,000 of them crossed the border.