Assertion: submachine gun | /r/HasProperty | born
Facets:
value: from the desire of warplanners
type: OTHER
Source sentences:
text: The submachine gun was born from the desire of warplanners to provide the basic infantryman with the voluminous firepower of a machine gun with the portability of a pistol in the early part of the 20th Century - the requirement proved most apparent during World War 1.