Why was General John Pershing's combat strategy in World War I controversial? A.
He harmed the United States' reputation by putting American forces under foreign command.
B.
His reliance on infantry assaults at the Battle of the Argonne led to a high number of casualties.
C.
He continued to employ trench warfare tactics long after new weapons made them obsolete.
D.
His use of mustard gas against German soldiers was viewed as morally wrong by the Allies.