Perhaps the greatest contribution of Grant and Sherman (Grant being the leader of the Northern forces) was that they knew when not to fight--that is when to hold back--since the North's army greatly outnumbered that of the South.
The answer to the question is C. The House and the Senate. Hope this helps you.
The watergate scandal happened when United States President Richard Nixon a republic was tied to a crime Ron which former FBI and CIA agents broke into the offices of the Democratic Party and George McGovern.