Assertion: german concertina | /r/CapableOf | take root
Facets:
value: in 1870s
type: TEMPORAL
value: in the 1860s
type: TEMPORAL
Source sentences:
text: As the Anglo-German concertina took root in the 1860s and 1870s—and that description will be attempted below—the country was comprised of at least two cultural groups, with a very fuzzy and locally convoluted boundary between them.