Complex sentence: After the war ended, John Mugar returned to the Star Market management, and with wartime restrictions and shortages over, Stephen and John were ready to expand throughout Greater Boston to meet the increased affluence and consumer demand.
Split into simpler sentences: After the war ended, John Mugar returned to the Star Market management. With wartime restrictions and shortages over, Stephen and John were ready to expand throughout Greater Boston to meet the increased affluence and consumer demand.