Grassroots movements can significantly influence mainstream politics by mobilizing local communities to take action on specific issues. They often work to raise awareness and generate public support, which can lead to pressure on politicians and policymakers. These movements leverage social media and community organizing to spread their message, making it difficult for traditional political structures to ignore grassroots demands. Their ability to engage citizens at the local level can lead to significant changes in public policy and create pathways for relevant candidates to emerge in electoral races, thus shaping mainstream political discourse.