Help, this is urgent! How did many US labor unions treat Chinese immigrants in the 1800s?

Labor unions did not allow Chinese immigrants to become members.
Labor unions helped Chinese immigrants find jobs in mills and factories.
Labor unions asked companies to pay Chinese immigrants low wages.
Labor unions helped Chinese immigrants form their own unions.

Quick and you will be picked brainleist1. people like stephen austin and others who made a deal with the mexican government to settle texas were known as 2.the were people who looked for gold in california and were named after the first year of the gold rush3. the area that became a state without first being a colony or a territory was 4.separate areas of land set aside by the federal government for indians were called