Final answer:
To change a law that prohibits speaking negatively about politicians, individuals can engage in political activism, contact elected officials, participate in peaceful protests, and bring legal challenges to the law's constitutionality.
Step-by-step explanation:
To address a law that restricts speaking negatively about politicians, individuals can turn to various avenues to advocate for change. One effective means is to engage in political activism by joining or supporting organizations that work to protect free speech rights. Additionally, individuals can contact their elected officials to express their concerns and advocate for changes to the law. Lastly, individuals can also engage in peaceful protests, petition the government, and bring legal challenges to the law's constitutionality.