Assertion: corps's rank | /r/HasProperty | created before the u.s. entry
Facets:
value: into world war i.
type: TEMPORAL
value: with increasing technical expertise
type: OTHER
Source sentences:
text: The rank of warrant officer was created shortly before the U.S. entry into World War I. With increasing technical expertise required because of more sophisticated war-fighting equipment, warrant officers were selected from the top non-commissioned officer ranks.