Complex sentence: The area surrounding the Tower Building had been known as Arsenal Park when the first decommissioned and then later renamed City Park, however due to the efforts of Babcock the city finally named it MacArthur Park in 1942 after in honor of Douglas MacArthur.
Split into simpler sentences: The area surrounding the Tower Building had been known as Arsenal Park when the first decommissioned and then later renamed City Park. Due to the efforts of Babcock, however, the city finally named it MacArthur Park in 1942 after in honor of Douglas MacArthur.