Sign up for the daily CJR newsletter . In 1965, Tracy Clark-Flory’s mother, then a pregnant eighteen-year-old college student in Indiana, was sent to a home for unwed mothers by her father and forced to place her baby for adoption. Years later, when Clark-Flory was a teenager, her mother sat her down at their kitchen table in California and shared the secret she had been carrying for decades: that she had another daughter out there, somewhere.  Clark-Flory’s new memoir, My Mother’s Daughter: Finding Myself in My Family’s Fractured Past , follows her eventual search for that sister. What she uncovers along the way is a story about the systemic misogyny and racism that shaped her mother’s—and ultimately her own—life. “Maternity homes were part of a broader racist effort at the time, but they were also part of a centuries-old history of using women’s bodies for white supremacist aims in the United States,” she writes.…