 Complete the following phrase:  In 1948, the state began to nationalise private firms and to collectivise agriculture. Until the early 1960s, the government severely curtailed political liberties and vigorously suppressed any dissent with the help of the Securitatethe Romanian secret police. During this period the regime launched several campaigns of purges during which numerous enemies of the state and parasite elements were targeted for different forms of punishment including: deportation, internal exile, internment in forced labour camps and prisonssometimes for lifeas well as extrajudicial killing. Nevertheless, 