Party ideology evolves over time due to various influences such as social change, electoral pressures, and external events. Initially defined by founding principles, party ideologies often adapt to shifting public sentiments and societal needs to remain relevant in the political landscape. Factors like demographic shifts, emerging issues, or significant political events can prompt parties to re-evaluate their positions, leading to ideological transformations. Moreover, internal dynamics, such as factionalism or leadership changes, can influence a party's ideological trajectory. As parties navigate these complexities, their ideologies not only reflect historic roots but also the contemporary aspirations and values of their constituents.