In Erie Railroad Co v. Tompkins, where Tompkins sued a New York company that owned a train that hit ...

In Erie Railroad Co v. Tompkins, where Tompkins sued a New York company that owned a train that hit him in Pennsylvania, the Supreme Court held that:
 a. federal common law did not exist in diversity-of-citizenship cases
  b. federal courts would apply federal common law in diversity-of-citizenship cases c. federal common law would be used when there was no diversity of citizenship d. federal common law takes precedence over state common law in all instances e. federal judges may order a case out of state court to protect judicial integrity