Explain the importance of the Pacific Railroad Act in the construction of the Transcontinental Railroad.

How did the federal government's support, through subsidies and land grants, impact the Central Pacific and Union Pacific Railroads?

Describe the effects of the Transcontinental Railroad on Native American communities and their traditional ways of life.

What challenges did the builders of the Transcontinental Railroad face, and how did they overcome them?

Explain how the completion of the Transcontinental Railroad helped create opportunities for Americans to move westward

What was Westward Expansion, and why did people move westward in the 1800s?

What conflicts arose between settlers and Native American tribes during Westward Expansion, and what measures did the U.S. government take in response?

Who was Sitting Bull, and what role did he play in the Battle of Little Bighorn?

How did the establishment of reservations impact Native American communities, and what challenges did they face as a result?

What were the consequences of the buffalo extinction during Westward Expansion, especially for Plains Indian tribes, and how did it disrupt the traditional way of life for Native American communities?