There are, you might imagine, other factors involved. Infant and child mortality were super high, but kids were an important source of labor, so people worked t

There are, you might imagine, other factors involved. Infant and child mortality were super high, but kids were an important source of labor, so people worked to have lots. There was no real birth control or sex ed. Marital rape wasn't a concept. Cultural pressure to have children was stronger than it is now. Etc etc etc.