What were some judicial cases between the Powers' of states and powers of the federal government?

Easy ten points!What were some judicial cases between the Powers' of states and powers of the federal government?
The Roe v Wade decision made abortion legal across the entire nation, whereas before each individual state made their own decision about the issue. The Supreme Court basically said that the federal Constitutional right to privacy meant that any mother had the legal right to forcibly take the life of their own unborn child. According to their interpretation, the federal Constitution took a stand on the issue, which always trumps state constitutions and state laws.