Grassroots initiatives influence legislative changes by mobilizing communities to advocate for specific policy reforms. These initiatives often emerge from local needs, reflecting public sentiment that may be overlooked by mainstream politics. Through organizing, campaigning, and raising awareness, grassroots movements can pressure legislators to address pressing societal issues. Historical examples include the environmental and civil rights movements, which led to significant policy transformations. By fostering a bottom-up approach to governance, grassroots initiatives empower ordinary citizens to shape legislative priorities, enhancing the democratic process.