How might Phillis Wheatley and Joel Barlow both have contributed to anti-slavery sentiment in the late 1700's?

answer; i believe the correct and best answer is (a crime motivated by prejudice); ///good luck

a. they have shared matter.

i don’t know the story but to answer the fiest question about theme and   subject . theme is a debatable opinion about a subject while the subject is a topic the author deside's to stick with and use through out the book and in his/her writing