Respuesta :

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:

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