Answer:
Because they had similar ideologies.
Step-by-step explanation:
The cult of true womanhood was a movement that began sometime in the 19th Century which measured a woman's efficiency and ability to submit to her husband to her virtuousness.
According to this ideology, women were overlords over the children and affairs of the house.
The science of housekeeping is a book by Gina Tucker that was an echo of this ideology explained above as it showed the woman how to properly take care of the house.