Assertion: secure cryptography | /r/HasProperty | the preserve of governments
Facets:
value: largely
type: DEGREE
value: until the 1970s
type: TEMPORAL
value: until the 1960s
type: TEMPORAL
Source sentences:
text: Until the 1960s, secure cryptography was largely the preserve of governments.
text: Until the 1970s, secure cryptography was largely the preserve of governments.