What were The Grimkè Sisters actions to oppose slavery?

The Grimké sisters, Sarah and Angelina, were prominent abolitionists who spoke out against slavery, wrote literature condemning the institution, and actively engaged in public advocacy for abolition. They were among the first white, Southern women to publicly support the anti-slavery movement, which was considered controversial at the time. Their writings and speeches played a significant role in advancing the cause of abolition in the United States.