For 10 points, name this English monarch who defeated Richard III at the Battle of Bosworth Field.
This ruler's tax collectors Empson and Dudley were so unpopular that his successor had Empson executed.  Lambert Simnel and Perkin Warbeck were to pretenders that attempted to overthrow this monarch, though the de la Pole brothers Margaret Plantagenet had legitimate claims.  This ruler created the (*) Yeomen of the Guard and resurrected the Court of the Star Chamber, though his Privvy Council was the forerunner of the modern cabinet.  This monarch took the throne after his exile in Brittany during the War of the Roses.  For 10 points, name this English monarch who defeated Richard III at the Battle of Bosworth Field.
This ruler's tax collectors Empson and Dudley were so unpopular that his successor had Empson executed.  
{Henry VII} [accept {Henry Tudor}]