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.

President carter worked to ease tensions with china by a. establishing full diplomatic relations. b. limiting international trade. c. agreeing to stop communism. d. limiting us production of nuclear weapons.

How did rituals maintain sumerian society

President nixon resigned from office in 1974 after he was informed that the senate would impeach him, as allowed in the constitution, for his actions in the watergate scandal. one of the key reasons that nixon’s actions became public was a) the freedom of press guaranteed by the first amendment. b) the right to confront witnesses as guaranteed by the sixth amendment. c) the limitation of judicial powers as defined in article 3 of the constitution. d) the prohibition against illegal search and seizure as guaranteed by the fourth amendment.