Original: By 1803, the Secretary of State, Lord Hobart, called for the removal of part of the Norfolk Island military establishment, settlers and convicts to Van Diemen's Land, due to its great expense and the difficulties of communication between Norfolk Island and Sydney.
Simplified: In 1803, the Secretary of State, Lord Hobart, called for the moving everyone to Van Diemen's Land, because of the cost and the difficulties of travel between Norfolk Island and Sydney.