Both middle/upper-middle class spouses "have" to work because both middle/upper-middle class spouses started working - poor (especially minority and recent immi

Both middle/upper-middle class spouses "have" to work because both middle/upper-middle class spouses started working - poor (especially minority and recent immigrant) women, even those with young children, have always worked for money in the US; who did the cooking and cleaning for institutions and the well-off? Who did the sewing that used to happen in US factories?