Why did labor leaders praise the clayton antitrust act?

The reason why labour leaders praised the Clayton Antitrust Act was because the Act prevented unions from being treated as trusts.

The Act prevented unions from being treated as trusts, is the right answer.

Explanation:

The Congress of the United States enacted a piece of legislation called the Clayton Antitrust Act in the year 1914. This act was enacted to reduce certain pricing and marketing strategies that tended to provide to a monopoly or illegal trade that smothers competition among struggling companies. This act banned the practice of price discrimination at which the seller used to sell his product to different people. The act also restricted organisations and acquisition demanding they show that the organisation will not cripple competition.

i think economic depression and disrupted trade and commerce