Final answer:
The Federal Trade Commission Act preempts state consumer protection legislation, prohibiting states from regulating consumer protection issues on their own.
Step-by-step explanation:
The subject of this question is Law. The question is asking about the preemption of state consumer protection legislation by the Federal Trade Commission Act. Preemption refers to the supremacy of federal laws over conflicting state laws. In this case, the Federal Trade Commission Act preempts state consumer protection legislation, meaning that states cannot regulate consumer protection issues on their own.