And in both cases, the anguish and outrage that Black people experienced on learning of the exonerations sparked immense and significant social movements. The Black Lives Matter (BLM) movement is still unfolding, and it is not yet clear what social and political transformations it will engender. FrameworksAs I conducted my doctoral research, the first theories specific to modern social movements were beginning to emerge. It argues that social movements are struggles for power—the power to change oppressive social conditions. “Our network centers those who have been marginalized within Black liberation movements,” the mission statement of their organization, the Black Lives Matter Global Network, announces.