Question

economists at the department of justice
prepare the federal budget.
track the behavior of the nations money supply.
help enforce the nations antitrust laws.
advise congress on economic matters.

Explanation:

Economists at the Department of Justice are involved in economic - related legal work. Preparing the federal budget is mainly the work of the Office of Management and Budget. Tracking the nation's money supply is the job of the Federal Reserve. Advising Congress on economic matters is not the main role of DOJ economists. They often help enforce antitrust laws which are related to economic competition and legal regulations.

Answer:

C. help enforce the nation's antitrust laws.