Assertion: homework | /r/HasProperty | encouraged in the 1950s
Facets:
value: to mid-1960s
type: TEMPORAL
Source sentences:
text: From that time on, social attitudes have oscillated approximately on a 15-year cycle: homework was encouraged in the 1950s to mid-1960s; it was rejected from the mid-1960s until 1980; it was encouraged again from 1980 and the publication of A Nation at Risk until the mid-1990s, when Cold War ended.