The correct answer is C. To investigate President Kennedy's assassination
Step-by-step explanation:
The Warren Commission was created in November of 1963 a week after the assassination of President John F. Kennedy that took place on November 22 of the same year. The main of this commission was to investigate the event and find information about the person that had committed the crime by collecting information from the witness and any other type of evidence to solve the case. After the investigation ended important details about the killer Lee Harvey Oswald, the place from where he shot and other details, although some question could never be solved. Considering this, it can be concluded the primary function of the Warren Commission was to investigate President Kennedy's assassination.