SAT Question 706046f7: Central Ideas And Details answer and explanation

English - Central Ideas And Details - Retrieve Detail
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In the 1960s, Gloria Richardson led a movement to promote racial equality. Her involvement in this effort was inspired by her daughter, Donna Richardson. In 1961, Donna joined protests organized by the Student Nonviolent Coordinating Committee in Cambridge, Maryland. Following her daughter, Gloria joined these protests too. Gloria soon became the cochair of the Cambridge Nonviolent Action Committee. She was also the leader of what became known as the Cambridge movement.
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Difficulty:Easy
According to the text, what did Gloria Richardson lead?