The cause of CFS if unknown. A large portion of cases are triggered by an infection and some by trauma. Stress is also present at the onset in almost all cases. Some people believe that CFS is caused by an agent entering the body, while others think it is due to the body's response, possibly to various agents.
The first formal committee of correspondence was established in Boston in 1764 and was charged with rallying opposition to the recently enacted Currency Act and the unpopular reforms imposed on the customs service.
The first telegram in the United States was sent by Morse on 11 January 1838, across two miles (3 km) of wire at Speedwell Ironworks near Morristown, New Jersey, although it was only later, in 1844, that he sent the message  WHAT HATH GOD WROUGHT  from the Capitol in Washington to the old Mt. Clare Depot in Baltimore.