How did the expansion of railroads affect American Indians in the West?

The American Indians had to give up their way of life.

Explanation:

As Americans began to move west and set up the Transcontinental Railroad, they kept encountering American Indians. Due to the nature of the railroads, the American Indians had to give up their land for civilization's expansion and for the railroads to be constructed. Also, the amount of buffalos drastically declined causing American Indians to lose a lot of their food supply.

A

Explanation:

They were displaced from their tribal lands.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.

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