Complex sentence: Roth brought suit in Federal District Court alleging that he was being punished for statements he had made that were critical of the University administration and that the decision not to rehire him violated his First Amendment right to freedom of speech.
Split into simpler sentences: Roth brought suit in Federal District Court alleging that he was being punished for statements he had made that were critical of the University administration. He said the decision not to rehire him infringed his First Amendment right to freedom of speech.