Complex sentence: This enterprise of Admiral Vernon accomplished nothing but the loss of many of his soldiers and his own disgrace it was not sufficient to cause Great Britain to abandon a project, which promised riches even beyond the reach of calculation.
Split into simpler sentences: This enterprise of Admiral Vernon accomplished nothing but the loss of many of his soldiers and his own disgrace. It was not sufficient to cause Great Britain to abandon a project, which promised riches even beyond the reach of calculation.