The Supreme Court of the U.S. is primarily a federal court, the highest in jurisdiction. This mean that it has appellate jurisdiction over all courts in the country. Also, it has the power of striking down authorities, laws, resolutions that violates the Constitution of the United States.
In June rebels from Esscex and Kent marched toward London. On the 13th the Kentish men, under Wat Tyler, entered London, where they murdered some Flemish farmers.