As Africanized Christianity took hold of the slave population during the late eighteenth and nineteenth centuries, spirituals, a type of religious song typically sung in a call and response form with a leader improvising a line of text and a chorus of singers providing a solid refrain in unison, served as a way to express the community's new faith, as well as its sorrows and hopes.
Answer: Hi! I belive the correct answer is, "The songs were used to sustain their work and spirit."