How was the judiciary act of 1789 a compromise between federalists and anti-federalists?

It held state legislation in place but granted federal courts the ability to modify state judgments, is the right answer.

Explanation:

The Judiciary Act of 1789 was a federal ordinance of the United States approved on 24th September 1789, in the inaugural session of the First Congress of the U.S. This statute set the federal court of the U.S.  Section 1 of the Third Article of U.S. Constitution, commanded that the "legal authority of the U.S, will be in in the hands of the Supreme Court, and such subordinate Courts" as Congress saw fitted to place.

the answer is c. your welcome.