Respuesta :

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Answer:

1.Gold rush and mining opportunities (silver in Nevada)

2.The opportunity to work in the cattle industry; to be a “cowboy”

3.The opportunity to own land cheaply under the Homestead Act.

1.English

2.Scotch

 3.Irish

Explanation:

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White protestant Americans, immigrants from Germany and Scandinavia, Mexicans, African Americans, and Chinese
- cheap land or wealth from mining