" For 10 points, what discriminatory attitude resulted in foods getting names like "liberty cabbage" during World War I?
This sentiment explains the name of the Guardian Life Insurance Company. The most famous visual expression of this belief was designed by United Glass Company owner Harry Ryle Hopps. It explains why a socialist coal miner was lynched in Collinsville, Illinois. This sentiment was doubtless intensified after a former Harvard professor planted dynamite in the Capitol Building, put a bomb on the SS Minnehaha, and shot J.P. Morgan Jr.  It was the primary reason why Iowa Governor William Harding passed the (*) Babel Proclamation, with a similar law later struck down in the case Meyer v. Nebraska. This sentiment was fanned after the explosion of the Black Tom munitions depot. It was exemplified by a poster with a helmet-wearing gorilla under the words "Destroy This Mad Brute." For 10 points, what discriminatory attitude resulted in foods getting names like "liberty cabbage" during World War I?
This sentiment explains the name of the Guardian Life Insurance Company.
anti-German sentiment [or anti-German-American sentiment; prompt on nativism or other answers about anti-foreigner sentiments; do NOT accept "anti-Nazi" sentiment]