The impact of WWII on the history of the world is that Millions of Germans and Japanese were forced out of the territories they lived in and sent back "home. Also the victors dismantled their former enemies' ability to make war by dismantling factories.
The settlers respected the Native Americans' way of life and wanted to come to a peaceful agreement. Settlers wanted to join the Native American tribes and assimilate into their culture.
men have jobs and responsibilities they might not be able to handle and they have limits in their responsibility and could be as liable to harm as much as women.