While white settlers often benefited from this expansion, many other groups, including Native Americans, Mexicans, African Americans, and Asians, were harmed. The environment was also greatly impacted by this expansion, with many natural resources being depleted or destroyed. It is important to consider the perspectives of all groups impacted by westward expansion, including those that have traditionally been underrepresented. Mexicans and Mexican Americans were also affected by U.S. expansion, as much of the Southwest had been part of Mexico before the Mexican-American War. Many Mexicans lost their land and were forced to become laborers or renters. They were also subject to discrimination and segregation, which continued for many years.African Americans and Asians also had an impact on U.S. expansion, with many serving as laborers on the transcontinental railroad and other infrastructure projects. However, they often faced significant discrimination, with the Chinese Exclusion Act and other laws targeting Asian