Assertion: guard's role | /r/HasProperty | critical
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text: The National Guard played a critical role when the U.S. entered World War I, with the 27th "Empire" Division, composed mostly of New York National Guard members, and the 30th "Old Hickory" Division from Tennessee and the Carolinas helping to break through Germany's Hindenburg Line during the 1918 Somme offensive [source: National Guard Bureau].