Answer:
Formal Entry into the European Theater. The United States entered the war in the west with Operation Torch in North Africa on November 8, 1942, although in mid-1942, the U.S. Army Air Forces (USAAF) arrived in the U.K. and carried out a few raids across the English Channel.
Hello there, to answer your question...
The us became involved in the European theater by...
I hope this information helps. :)