I'm thinking that the answer would be that the traders brought Islam to India.
Start with everyone uniting and helping women
For most freedmen in the South after the Civil War ended life was unfortunately not much different than it had been before (at least economically) since many of these men were denied social and economic rights, and were tied to the land of farm owners.
I assume the 30s and 40s during WWII. The men were drafted to war so the women took their jobs.