They were in charge of finding communist spies or basically anyone that was communist
There were a few events that caused the Revolutionary War. A few major ones include the Boston Tea Party, Britain's Intolerable Acts, The Continental Congress, The Battles of Lexington and Concord, and the Second Continental Congress.
If need be, I'll provide more information on each event specifically if you request it.
The north wanted to use a blockade starving the south from all supplies later forcing them to attack the north and loosing do to lack of supplies