How did Helen Keller found the American Civil Liberties Union?

Helen Keller did not found the American Civil Liberties Union (ACLU); it was established in 1920 by a group of activists, including Roger Baldwin, Crystal Eastman, and others. However, Keller was an early supporter of civil liberties and associated with various social justice movements. She used her platform to advocate for women’s rights, labor rights, and racial equality, aligning with the ACLU's mission to protect individual rights and freedoms. Her activism contributed to the broader discourse on civil liberties during her lifetime.