The role of government was that once the Roman empire established and made christianity the main religion of Rome, it esentially formalized the possibility of christians to take over the religious practice in this empire and gain increased power.
"The movement gained new support" although real change in Civil Rights legislation wouldn't come until the 1960s. Still, immediately after the war the Army was de-segregated.
This is my answer to your question
During American involvement in WWII, propaganda was used to support the war cause. I hope I could help. Have a wonderful rest of the day.
