Assertion: pueblo's people | /r/CapableOf | build cliff dwellings
Facets:
value: as a defense
type: PURPOSE
value: about 1150
type: TEMPORAL
Source sentences:
text: Although earlier Ancestral Puebloan villages were built in the open, these people began to build cliff dwellings about 1150, perhaps as a defense against invading groups of ancestral Navajo and Apache.