United States Courts System

Right about the united state court system what are the duties of the federal system? What type of cases do they handle? Do they do both civil and criminal? Are there any monetary limits on civil cases will bring a criminal case to this court versus state court and an opinion paragraph about how to improve the system You must and compare the state of Michigan courses. Somewhere is another state system. You may pick any state that has a little bit different type system than Michigan does this system appear to work better than the Michigan system why or why not