Boxer Joe Louis joins the US Army in 1942, does physical labor to train in 1936, and trains in 1946

The transcript discusses the period when the heavyweight boxing crown was inactive during the war. After serving in the military, Joe Louis attempted to return to boxing but found that age had diminished his skills. Despite announcing his retirement in 1949 as an undefeated champion, financial difficulties forced him back into the ring to challenge Desert Charles for the title.

In what ways did father time affect Joe Lewis's boxing skills?

What was the outcome of Joe Lewis's challenge against Desert Charles?