Why Is Barron V.Baltimore Important

Why is Barron v.Baltimore important?

A) It sided with the national government over state government, giving added power to the supremacy clause.
B) It ruled that Congress did not have the authority to prohibit slavery in any state.
C) It helped begin the rights revolution.
D) It helped establish dual federalism as a guiding judicial principle to settle questions concerning state and national power.
E) The majority ruling famously stated that the Tenth Amendment "does not alter the distribution of power between the national and state governments."