"Knowledge of birth control is essentially moral. Its general, though prudent, practice must lead to a higher individuality and ultimately to a cleaner race... How are we to breed a race of human thoroughbreds unless we follow the same plan? We must make this country into a garden of children instead of a disorderly back lot overrun with human weeds."
https://en.m.wikiquote.org/wiki/Margaret_Sanger
Abortion is the ultimate birth control.
"But during all the long years this matter has been discussed, advocated, refuted, the people themselves—poor people especially—were blindly, desperately practicing family limitation, just as they are practicing it today. To them birth control does not mean what it does to us. To them it has meant the most barbaric methods. It has meant the killing of babies—infanticide,—abortions,—in one crude way or another."
"The ministers work is also important and he should be trained, perhaps by the Federation as to our ideals and the goal that we hope to reach. We do not want word to go out that we want to exterminate the N***o population and the minister is the man who can straighten out that idea if it ever occurs to any of their more rebellious members."
All quotes.
