How did Woodrow Wilson's Clayton Antitrust Act add upon Roosevelt's Sherman Antitrust Act?

The Roosevelt Sherman Antitrust Act was proposed by John Sherman and signed into law by President Roosevelt in 1890.The law was later amended by the Woodrow Wilson's Clayton Antitrust Act which was proposed by Henry de Lamar Clayton Jr and was signed into law by President Woodrow Wilson.

The Sherman Antitrust Act ensured decimation of business practices which were monopolies and made them illegal in order to encourage increased competition and output.

The Woodrow Wilson's Clayton Antitrust act in addition prevents exclusive sales contracts, some forms of rebates and freight agreements which had any form of segregation and prevented corrupt practices.

that’s true, tatiana prouskouriakoff established that the inscriptions were primarily historical.   they recorded events in the lives of mayan rulers and their families.