What is the fine-grained topic of the following text: “We knew there would be some kind of backlash, but we did not expect it to be such hatred,” said Sonia Kang, a board member of Multiracial Americans of Southern California, a group formed in 1986 that celebrates and advocates for multiracial families and children. Only return the topic.
Multiracial Americans of Southern California's experiences with backlash and hatred.