Assertion: mortar | /r/CapableOf | develop in the united states
Facets:
value: for use in world war ii
type: PURPOSE
Source sentences:
text: , Mallet's Mortar (36 inches; 914.4 mm; developed by Robert Mallet in 1857), and the "Little David" (36 inches; 914.4 mm; developed in the United States for use in World War II).
text: , Mallet's Mortar (36 inches; 914.4 mm; developed by Robert Mallet in 1857), and the "Little David" (36 inches; 914.4 mm; developed in the United States for use in World War II).