What is Christopher Wheeldon's "This Bitter Earth" about

Reflecting on the images, NYCB Associate Artistic Director Wendy Whelan said: "Words cannot fully capture the beauty or essence of this poignant pas de deux, but to me it speaks to our time. Honor where we come from and the challenges we face moving into the unknown. The choreography inspires reflection from both its artists and the audience and I hope it conveys a peaceful sense of hope for the future for you. "

answer; (b); the abolitionist movement;