The western nations built Building ever more sophisticated and expensive ships which the Barbary pirates could not match Competition in numbers or technology .

The tribunal ran Being_in_operation from November 1997 to March 2012 and was the longest running and most expensive public inquiry held in the Republic of Ireland , with costs forecast to reach Earnings_and_losses between €250 million and €300 million .

This was the most expensive Cost trial Criminal_investigation in Canadian history , costing Cost nearly C $ 130 million .

Harold G. Marcus described Statement the action as `` one of the most expensive affairs of honour in history . ''

Operation Gordian Knot ( `` Operação Nó Górdio '' ) was the largest and most expensive Portuguese military campaign in the Portuguese overseas province of Mozambique , East Africa .