Final answer:
Annie Turnbo Malone and Madam C.J. Walker became self-made women millionaires in the United States through their successful businesses in the haircare industry.
Step-by-step explanation:
Annie Turnbo Malone and Madam C.J. Walker became two of the first self-made women millionaires in the United States through their successful businesses in the haircare industry.
Annie Turnbo Malone was a beauty entrepreneur who developed and marketed hair products specifically for Black women. She founded Poro College, a school that trained Black women to become sales agents for her products.
Madam C.J. Walker, one of Malone's former employees, established her own haircare business and became widely successful. She created specialized hair products and developed a distribution system that included a network of sales agents.