1.   But it also unraveled the repressive security system that kept close check on Soviet nuclear weapons and the fissionable material that goes into them.

2.   While Beijing is criticized abroad for its repressive security apparatus and human rights abuses, few Chinese feel oppressed by their government.

3.   Meanwhile, police use a new repressive security law to force a literary cafe to cancel political debates by authors and intellectuals.

4.   They also remember the communist era, when strikes were the lone form of protest that managed to take root against repressive security forces.

5.   Under the accord, the guerrillas disarmed and were legalized, the military was cut and the often repressive security forces were disbanded.