What is the US experience of federalism?

What were the sources of British constitution? When does an employer have to pay travel expenses? How can you change your name on a Deed when there is another person is on the deed you just want your name change to another person? Can you own a short barrel rifle in California? Do all family members need to agree for one family member to get power of attorney of an aging parent? Can you give out bank account numbers and routing numbers to a child support service? Can one person get a court order against another to get money owed? Missing witness on quit claim deed in Fl. Does that make the deed invalid? Should a 7 year old know about sex? What gives governors the power to control state departments and their budgets? In a civil case what is the person bringing the case called? Does New Jersey have self emancipation? What are all the things a bailiff says in a court room? What is spousal election? What is the job description of a mayor? Are all government agencies part of cabinet departments? How does a person acquire a fee simple ownership of real property? Does bicameral mean having houses? Can a felon be a fire fighter? Is the small coat of arms of the Czech Republic copyright protected?