Answer:
the tank was used to cross no mans land and drive over trenches
Answer: The Chief Justice is appointed by the President and confirmed by the Senate. There is no requirement that the Chief Justice served as an Associate Justice, but 5 of the 17 Chief Justices have served on the Court as Associate Justices prior to becoming Chief Justice.
Julius Caesar had a very important role here. He insisted and tried forcing the rule of one man, himself, on all of the nation. With that he effectively wanted to create a Roman empire. He had great ambitions which were also the reason why he chose to do so any eventually march on Rome (he marched on Rome to threaten the government at the time). Interestingly, the actual republic fell to pieces and emperors started to properly govern only after the death of Julius Caesar.