Assertion: concentration camp | /r/AtLocation | operation
Facets:
value: until the early 1990s
type: TEMPORAL
Source sentences:
text: About a dozen concentration camps were in operation until the early 1990s, but some of them were closed and merged into the remaining six camps for the purpose of maintaining better secrecy and control.
text: About a dozen concentration camps were in operation until the early 1990s, the figure of which is believed to have been curtailed to five, due to increasing criticism of the North's perceived human rights abuses from the international community and the North's internal situation.
text: About a dozen concentration camps were in operation until the early 1990s, the figure of which has been curtailed to five today due to increasing criticism of the North's perceived human rights abuses from the international community and the North's internal situation.