The 60s were a pivotal time for politics. Prior to that many democrat ideologies were modern day republican and vice versa. https://www.studentsofhistory.com/ideologies-flip-Democratic-Republican-parties

Dont want anyone getting confused here. These were effectively modern day republicans doing this.

https://en.m.wikipedia.org/wiki/1960_United_States_presidential_election vs https://en.m.wikipedia.org/wiki/1964_United_States_presidential_election vs https://en.m.wikipedia.org/wiki/1968_United_States_presidential_election

Before that churches used to offer a free meal but there was a sermon and they would give bibles.