Which One of the Following Statements Would Fall Under the Principle

Which one of the following statements would fall under the principle of coercive federalism?

A) The president threatens the states with military might.
B) Members of Congress create mandates without giving state leaders the money to execute and enforce the mandates in question.
C) Members of Congress pass new constitutional amendments limiting state power.
D) Members of Congress threaten to tax residents at a higher rate in states where leaders are unwilling to cooperate with national goals and policies.