Assertion: tank's appearance | /r/CapableOf | spur the united kingdom
Facets:
value: to develop the royal ordnance l7
type: PURPOSE
value: to develop a new tank gun
type: PURPOSE
Source sentences:
text: However, the T-54/55's first appearance in the West around the period of the 1950s (then the beginning of the Cold War) spurred the United Kingdom to develop a new tank gun, the Royal Ordnance L7, and the United States to develop the M60 Patton.