Final answer:
To limit the impact of Plessy v. Ferguson, the public could engage in strategic litigation through civil rights organizations, participate in grassroots movements, and perform acts of civil disobedience to challenge segregation and advocate for equality.
Step-by-step explanation:
Members of the public who disagree with the holding in Plessy v. Ferguson could take several actions to limit its impact. After the Supreme Court's endorsement of 'separate but equal' in 1896, opponents to segregation and racial inequality worked both within and outside the legal system to achieve change.
One effective approach is through strategic litigation orchestrated by civil rights organizations such as the NAACP, similar to the efforts which led to the landmark ruling in Brown v. Board of Education.
Another course of action includes grassroots movements and acts of civil disobedience to raise public awareness and pressure lawmakers to change discriminatory policies. Protests, boycotts, and voter registration drives have been historically successful in advancing civil rights and equality.