The warren commission’s investigation of the kennedy assassination is often controversial because many historians believe a. their conclusions were reached through unlawful means. b. lee harvey oswald was never in dallas at the time. c. the case was a government conspiracy to rid the nation of president kennedy. d. their conclusions were scientifically impossible.

President nixon resigned from office in 1974 after he was informed that the senate would impeach him, as allowed in the constitution, for his actions in the watergate scandal. one of the key reasons that nixon’s actions became public was a) the freedom of press guaranteed by the first amendment. b) the right to confront witnesses as guaranteed by the sixth amendment. c) the limitation of judicial powers as defined in article 3 of the constitution. d) the prohibition against illegal search and seizure as guaranteed by the fourth amendment.