original_query: What was the reason for Anderson's brigade being forced into a small area?
query: What was the reason for Anderson's brigade being forced into a small area during the Battle of Muar?
answer: Anderson's brigade was forced into a small area of roadway (about 100 yards) at Parit Sulong Bridge after being repulsed by Japanese tanks, aircraft, and artillery during an attempt to dislodge the Japanese from the bridge.