Blacks and Hispanics, mainly. Margaret Sanger was a virulent racist. The entire abortion movement is eugenics based. Of course, it cannot be cast as such today. So it's been re-framed.
I pray that those people most hit by its propaganda would wake up.
Candace Owens and Turning Point USA will probably be of interest to you.
I think it's a huge mistake to lump everyone on the left in with Democrats that you think you know, and it will be too late before anyone realizes.