Why would a single issue anti slavery platform be a catalyst to ushering in a new political party?

A single-issue anti-slavery platform could galvanize diverse groups united by a common moral cause, transcending existing political divisions. This focus would attract abolitionists, free soil advocates, and other reform-minded individuals, creating a coalition powerful enough to challenge established parties. By prioritizing the urgent need for emancipation, a new political party could harness public sentiment, mobilize grassroots support, and redefine the political landscape, ultimately leading to significant reforms. Such a movement would not only address slavery but also inspire broader discussions on human rights and social justice.