Seems to be the first who made it an axiom that strongholds are only to be defended by artillery, the defence before his time having relied mostly on small firearms. He was the inventor of defence by a system of sluices, which proved of the highest importance for the Netherlands.
Resolved as he said to die in the last ditch, he rejected all thought of surrender and appealed to the last resource of Dutch patriotism by opening the sluices and laying vast tracts under water.
sluices הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד