It depends on what you take to be the beginning and what the end. It lasted two years if you understand it as from the time it was revealed to the time Nixon resigned. It lasted 5 years if you take it from the time Nixon began doing it to the time he resigned.
Board of Governors-<span>directing </span>
Civil becuse if your telling the truth to an offer it can be a ticket or maybe just pulling over that shows that he is not doing that to get arrested
but if it was criminal he will go way passed the speed limit so that is civil