Complex sentence: He became a member for a brief time of a "socialist collective" called Standing Together to Organize a Revolutionary Movement (STORM) which protested against police brutality, held study groups on the theories of Marx and Lenin and aspired to a multiracial socialist utopia.
Split into simpler sentences: He became a member for a brief time of a "socialist collective" called Standing Together to Organize a Revolutionary Movement (STORM). It protested against police brutality, held study groups on the theories of Marx and Lenin, and aspired to a multi-racial socialist utopia.