When the mining industry began to develop on the american west, the jobs were mostly filled by which immigrants?
a. mexicans
b. irish
c. british
d. japanese

the answer is A.  Mexicans

Explanation:

mining was very large industry in 1800's so that lead to many Mexicans crossing the boarder to find jobs.

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i think a judge or jury, as they preside over the court and is the central figure in a trial.

hope this and i hope i answered in time!

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the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,