Minor parties can profoundly influence major party platforms by introducing new ideas and issues that resonate with certain voter demographics. They can challenge major parties to adopt specific policies or focus on topics that may otherwise be overlooked, such as environmental issues or social justice. Additionally, minor parties can attract votes away from major parties, forcing them to reconsider their strategies to maintain broad electoral support. This influence can lead to shifts in the political spectrum, promoting a more diverse and pluralistic political environment.