What specific evidence supports the statement that The construction of the transcontinental railroad was disastrous for the Native Americans of the Great Plains?

The construction of the transcontinental railroad led to the destruction of the buffalo population, a vital resource for many Native American tribes on the Great Plains. It also resulted in the loss of their ancestral lands, forced relocations, and increased conflicts with settlers and the U.S. government, ultimately disrupting their traditional way of life and causing immense suffering.