Assertion: feminist's movement | /r/HasProperty | started in the 1910s
Facets:
value: by marie stopes
type: OTHER
value: in the uk
type: LOCATION
value: by pioneering social reformer
type: OTHER
Source sentences:
text: The movement had been started in the 1910s by U.S. pioneering social reformer Margaret Sanger and in the UK and internationally by Marie Stopes.