Sentence:  Although the Socialist Republic of Vietnam now encourages Vietnamese refugees to visit their native land, many refuse to do so, fearing that [...] they would be hustled off to <WSD>reeducation camps</WSD> to face starvation, over-work, and slow death. 
Meaning of the word marked with <WSD> tags:  A camp or prison where ideological dissidents undergo reeducation or indoctrination.