Which causes did Yuri Kochiyama advocate that promoted this subcategory of black nationalism, stemming from the idea of racial solidarity?
Yuri Kochiyama:  Influenced by her Japanese American family's internment and her association with Malcolm X, she advocated for many causes, including Black separatism, the anti-war movement, Maoist revolution, reparations for Japanese-American internees, and the rights of people imprisoned by the U.S. government for violent offenses whom she considered to be "political prisoners". Black separatism:  Black separatism is a subcategory of black nationalism, stemming from the idea of racial solidarity, and implies that blacks should organize themselves on the basis of their common experience of oppression as a result of their blackness, culture, and African heritage.
Black separatism