Final answer:
The "Pastoral Letter" criticized the Grimké sisters for advocating equal rights for women and speaking out against the oppression of women in the United States.
Step-by-step explanation:
The "Pastoral Letter" that was written by the New England clergy was critical of Sarah and Angelina Grimké because they advocated equal rights for women (keyword). The Grimké sisters were prominent abolitionists who also spoke out against the oppression of women in the United States. Their public speaking engagements in support of abolition and women's rights divided the abolitionist movement, with some abolitionists endorsing them, like William Lloyd Garrison, and others opposing their actions.