Which of the following governmental powers belongs to the states?

A-Representing the United States to foreign countries

B-Administering the District of Columbia

C_Enforcing laws passed by Congress

D-Providing a good public education to its residents

D - Each state has it's own educational level laws. That is why we always hear about how different states have different testing requirements than others, because the National Government gives the state legislators rights to pass laws on education that are conformed to that specific state.