The naval battle of Trafalgar was fought on October 21, 1805. The British fleet under Lord Nelson met a combined fleet of French and Spanish ships off the coast of Spain. The English fleet won a tremendous victory ensuring that Napolean would not be able to invade Britain. Admiral Lord Nelson died during the battle.
The impact is that thousands of japenese were forced to work in labor camps due to their threat in WWll.
The increased efficiency of machines like this reduces the time it takes to perform the tasks each did by older methods or means. For example, using a washing machine is more efficient than hand washing clothing. And there is a major time-saving benefit.
