Final answer:
Phillis Wheatley, an African-born poet, wrote anti-slavery poems and pamphlets in her book Poems on Various Subjects, Religious and Moral (1773). Her works provided a subtle critique of slavery and challenged the prevailing racist views of the time.
Step-by-step explanation:
The author who wrote anti-slavery poems and pamphlets, according to chapter 1, is Phillis Wheatley. She was an African-born poet who gained renown in America and Europe for her book of neoclassical verse called Poems on Various Subjects, Religious and Moral (1773). Despite being an enslaved person, Wheatley's works represented a subtle critique of slavery, and she became one of the best-known poets of her time. Her achievement in becoming literate and expressing her thoughts through poetry was exceptional given the prevalent racist views of the era.