Radical groups are organizations or movements that advocate for significant, often extreme changes in society or government. They may seek to challenge existing political, social, or economic systems, believing that these systems are unjust or oppressive. Members of radical groups often employ various methods, including protests, activism, or even violence, to achieve their goals. These groups can be found across the political spectrum, from far-left movements advocating for socialism to far-right groups promoting nationalism. While some radical groups focus on peaceful reform, others may resort to more aggressive tactics, leading to debates about their impact on society and the effectiveness of their methods.