Westward Expansion reshaped America in the 19th century. Driven by Manifest Destiny, settlers pushed west, seeking economic opportunities and new beginnings. This movement doubled the nation's size, sparked technological advancements, and fueled economic growth. The expansion had profound consequences. It led to conflicts with Native Americans, altered the political landscape, and shaped American identity. The legacy of this era continues to influence modern debates on land management, cultural diversity, and historical injustices.