Which military action did the 45th infantry division fight in during world war ii

The correct answer is B. During World War II, the 45th Infantry Division fought in the Italian Campaign.

Explanation:

The 45th Infantry Division was a large unit activated in 1923 and belonging to the United States National Guard; since September 1940 it joined the United States Army.  

In September 1943 it landed in Salerno as part of General Mark Clark's 5th Army and sustained heavy fighting against the German motorized forces from 12 to 16 September; the losses were severe. It was then placed on the far right of the deployment of the 5th Army that went up the Italian peninsula running into various German fortified lines. The division was detached in January 1944 and sent to the bridgehead of Anzio and Nettuno, where it participated in the bitter battles of February; released Rome in June, it was transferred to the allied expeditionary force that landed in southern France on August 15, 1944: inserted in the 7th Army of General George Smith Patton, it was among the first divisions to cross the German border. It then advanced through southern Germany and freed the concentration camp of Dachau.