Assertion: fortress | /r/HasProperty | built in latvia
Facets:
Source sentences:
text: Russia's western borders needed support, and fortresses existed or were being built in Latvia, Ukraine, and Belarus.
text: Russia's western borders needed support, and fortresses existed or were being built in Latvia, Ukraine, and Belarus.
text: Russia's western borders needed support, and fortresses existed or were being built in Latvia, Ukraine, and Belarus.