quality:corruption, linguistic:paraphrasing, quality:correction
Work with the African American community

Sanger worked with African American leaders and professionals who saw a need for birth control in their communities. In 1929, James H. Hubert, a Black social worker and the leader of New York's Urban League, asked Sanger to open a clinic in Harlem. Sanger secured funding from the Julius Rosenwald Fund and opened the clinic, staffed with Black doctors, in 1930. The clinic was directed by a 15-member advisory board consisting of Black doctors, nurses, clergy, journalists, and social workers. The clinic was publicized in the African American press as well as in Black churches, and it received the approval of W.E.B. Du Bois, the co-founder of the National Association for the Advancement of Colored People (NAACP) and the editor of its magazine, The Crisis. From Planned Parenthood::

In 1930, Sanger opened a family planning clinic in Harlem that sought to enlist support for contraceptive use and to bring the benefits of family planning to women who were denied access to their city's health and social services. Staffed by a Black physician and a Black social worker, the clinic was endorsed by The Amsterdam News (the powerful local newspaper), the Abyssinian Baptist Church, the Urban League, and the Black community's elder statesman, W. E. B. Du Bois.

Sanger did not tolerate bigotry among her staff, nor would she tolerate any refusal to work within interracial projects. Sanger's work with minorities earned praise from Coretta and Martin Luther King Jr.; when he was not able to attend his Margaret Sanger award ceremony, in May 1966, Mrs. King read her husband's acceptance speech that praised Sanger, but first said her own words: "Because of dedication, her deep convictions, and for her suffering for what she believed in, I would like to say that I am proud to be a woman tonight."

From 1939 to 1942, Sanger was an honorary delegate of the Birth Control Federation of America, which included a supervisory role—alongside Mary Lasker and Clarence Gamble —in the Negro Project, an effort to deliver information about birth control to poor Black people. Sanger advised Gamble on the utility of hiring a Black physician for the Negro Project. She also advised him on the importance of reaching out to Black ministers, writing:

The ministers work is also important and also he should be trained, perhaps by the Federation as to our ideals and the goal that we hope to reach. We do not want word to go out that we want to exterminate the Negro population and the minister is the man who can straighten out that idea if it ever occurs to any of their more rebellious members.

New York University's Margaret Sanger Papers Project says that though the letter would have been meant to avoid the mistaken notion that the Negro Project was a racist campaign, detractors of Sanger, such as Angela Davis, have interpreted the passage "as evidence that she led a calculated effort to reduce the Black population against its will". Others, such as Charles Valenza, state that this notion is based on a misreading of Sanger's words. He believes that Sanger wanted to overcome the fear of some black people that birth control was "the white man's way of reducing the black population".