 Complete the following phrase:  Strong controversy flared among the officers of the division. Lieutet General Clark, the Fifth Army commander, was severely criticized for having ordered a difficult frontal attack, and was accused of having caused the disaster. After the war Congress, urged by veterans of the division, conducted an investigation into the causes and responsibility for the defeat on the Gari River. Clark was absolved of blame and he personally believed the attack to be necessary, in order to attract German reserves from Northern Italy to prevent their use at Anzio, where an amphibious assault, codenamed 