What is the fine-grained topic of the following text: The purposes of the event was to stop nuclear testing through world awareness, political pressure, direct action; to educate through media exposure and a full-length feature movie to be made of the event; to expand the nonviolence ethic through mass non-violence trainings in conjunction with the event, and; to return the land to its true stewards: The Western Shoshone Nation. Only return the topic.
Anti-nuclear protest and awareness event for the Western Shoshone Nation.