This politician imprisoned a political theorist in a chest that is claimed to be owned by two museums, one of which is in the “The Prince’s Court.” In 2021, a series of defenses begun by this politician and completed by his brother Frederick Henry were made a UNESCO World Heritage Site. After openly siding with Counter-Remonstrants, this politician staged a coup that ended with the execution of his former ally (*) Johan van Oldenbarnevelt (“fun ohl-dun-BAHR-nuh-felt”). Following his tactical victory at Nieuwpoort (“NYOO-port”), this person negotiated the Twelve Years’ Truce. This uncle of the Marshal Turenne revolutionized military tactics with his use of drill exercises and volley fire. This person died shortly before his army was defeated by Ambrogio Spinola at the Siege of Breda. For 10 points, name this stadtholder who led the Dutch during the Eighty Years’ War following the assassination of his father William the Silent. ■END■
ANSWER: Maurice of Nassau [or Maurice, Prince of Nassau, Maurice of Orange, Maurice, Prince of Orange, or Maurits van Oranje; accept Maurits in place of “Maurice”]
<Caleb Kendrick, European History>
= Average correct buzz position