An effective political advocacy is one that leads to a change or an impact in the policies or laws, and there are many situations that can be considered as effective political advocacy. However, the best example of effective political advocacy would be a case where a group or individual, through their efforts and actions, brings attention to an issue that has been ignored or dismissed by those in power. They are able to raise awareness about the issue, gain support from others, and put pressure on decision-makers to take action.
For instance, the civil rights movement in the United States led by Martin Luther King Jr. can be considered as one of the best examples of effective political advocacy. Their non-violent protests, advocacy, and activism led to major changes in laws and policies, including the Civil Rights Act of 1964 and Voting Rights Act of 1965. The movement was able to bring attention to the struggles and injustices faced by African Americans and mobilize support among the general public, leading to the eventual recognition and enforcement of civil rights.