The Act forbade strikes and lockouts and replaced them with compulsory arbitration. The resulting lockouts and strikes sometimes required armed government intervention. Some camped on school grounds overnight to prevent further lockouts by janitors and custodians. It supports criminalization of strikes by employees and lockouts by employers as illegal acts. The government recorded 1,825 strikes and lockouts in 1990. Divisions V.1 and VI set out conditions for strikes and lockouts. Not all class struggle is violent or necessarily radical, as with strikes and lockouts. As with previous "PunkBuster" GUID bans, hardware GUID lockouts are permanent. The number and seriousness of strikes and lockouts have varied from year to year. In the 1880s nearly 10,000 strike actions and lockouts took place. Often, lockouts function by allowing no or very little compression.