Otto Reutter, a German Exchange Student at Maryland University, Was

Otto Reutter, a German exchange student at Maryland University, was accused of hacking into the university's website. If Maryland University is to make a judicial claim against Otto, a German citizen, which of the following concepts will be most useful in establishing their right to proceed with a lawsuit that the U.S. government might prefer not to exist?

A) The nationality jurisdiction principle
B) The blue sky principle
C) The objective territoriality principle
D) The res judicata doctrine
E) The territorial principle