Leftist thought encompasses a range of political ideologies that advocate for social equality, collective ownership, and the redistribution of wealth. It often critiques capitalism and seeks to address issues such as poverty, discrimination, and environmental degradation. Key movements within leftist thought include socialism, communism, and anarchism, each proposing different methods for achieving a more equitable society. Central to leftist thought is the belief that government and institutions should play a significant role in ensuring social justice and protecting the rights of marginalized groups. Prominent figures associated with leftist thought include Karl Marx, Friedrich Engels, and more contemporary activists like Bernie Sanders and Alexandria Ocasio-Cortez, who advocate for policies aimed at reducing inequality and promoting public welfare.