Grassroots movements typically form political coalitions through the mobilization of community-based activism and participation. Initiating from local concerns, these movements gather support by rallying individuals around shared issues, such as social justice or environmental protection. Social media plays a pivotal role in spreading awareness and organizing events, while alliances with established organizations can enhance their reach and effectiveness. As these movements grow, they often engage in coalition-building with other groups that share similar goals, which can amplify their influence on policy and decision-making. This process highlights the power of people-driven initiatives in the political landscape.