It allowed the Supreme Court to overrule an unconstitutional law.
Because the decision showed that the Supreme Court didn't think that any State could outlaw slavery.
No. Slavery was abolished by the Thirteenth Amendment to the Constitution in a joint effort between Congress and the states that ratified the amendment. A constitutional amendment is more powerful than a US Supreme Court decision, because it is not subject to change by the Supreme Court.
Marbury vs. Madison
I would have been and supreme court justice, not a president because it can be all hard work that's in your hands. I don't know what a senator is, but I would be supreme court justice because you get to speak out your mind and don't need to hear what people have to say and make your decision of what's right!
Wabash v. Illinois
The Supreme Court case that overturned Munn v. Illinois was Wabash, St. Louis & Pacific Railroad Co. v. Illinois (1886). In this case, the Supreme Court ruled that states could not regulate rates for interstate railroad traffic because it violated the Commerce Clause of the Constitution, which grants Congress the power to regulate interstate commerce. This decision limited the ability of states to regulate certain aspects of interstate commerce.
Because they disagree with it.
Does the supreme court have the power to invalidate an act of congress because it violates the constitution.
It allowed the Supreme Court to overrule an unconstitutional law.
Because the decision showed that the Supreme Court didn't think that any State could outlaw slavery.
Just because the state doesn't agree, if the US Supreme Court renders a decision in your favor the state must comply! There is no higher court than the US Supreme Court - the state cannot file an appeal.
Unfortunately, I cannot answer your question because you did not specify which conflict.
No. Slavery was abolished by the Thirteenth Amendment to the Constitution in a joint effort between Congress and the states that ratified the amendment. A constitutional amendment is more powerful than a US Supreme Court decision, because it is not subject to change by the Supreme Court.
The United States Supreme Court decision in the DDred Scott v. Sandford (1857 was important because it helped strengthen the determination of abolitionists to realize their goals.
Marbury vs. Madison
The Supreme Court eventually decided to give Dred Scott his freedom. They made that decision because they thought that it would end the huge slavery crisis. A few weeks after Dred Scott was freed, he sadly died. :(