The idea of Manifest Destiny holds many meanings. For many who moved west, it symbolizes their hopes and dreams. For many of the indigenous people who already inhabited the region, Manifest Destiny brought an end to their way of life. Railroads, trade, and waves of settlers reshaped the physical and natural environment. Manifest Destiny undoubtedly changed the United States, but how should it be remembered? This building block inquiry is designed to help students reflect on westward migration after having already learned about its key themes.