Question

regulatory policies protect consumers by
deciding how to tax and spend money.
overseeing and limiting businesses.
controlling the supply of money.
providing public assistance programs.

Explanation:

Regulatory policies aim to protect consumers by monitoring and setting limits on business - related activities to prevent unfair practices, unsafe products, etc. Deciding tax and spend is fiscal policy, controlling money supply is monetary policy, and public assistance programs are social welfare measures. Only overseeing and limiting businesses directly relates to consumer protection.

Answer:

overseeing and limiting businesses.