Assertion: arsenal | /r/CapableOf | expand its area
Facets:
value: outside its brick boundary wall
type: LOCATION
value: eastwards
type: LOCATION
value: onto the plumstead marshes
type: LOCATION
Source sentences:
text: Further enlargement was to follow, and on an unprecedented scale; by the 20th century, though, there was little room for further development on site, so the Arsenal had to expand its area eastwards outside its brick boundary wall onto the Plumstead Marshes.