Final answer:
The National Association of Colored Women (NACW) is one social movement that black women founded.
Step-by-step explanation:
Black Women's Social Movements
One social movement that black women founded is the National Association of Colored Women (NACW). This organization was established in 1896 by Ida B. Wells-Barnett and other prominent black women activists. The NACW aimed to address issues of racial discrimination, advocate for civil rights, and provide support for black women and their communities. Through their activism, black women in the NACW played a crucial role in fighting for equality and social justice.