This Republic, established in 1581 and the focus of The Secret Treaty of Dover, contained how many provinces?
Secret Treaty of Dover:  It required that Charles II of England would convert to the Roman Catholic Church and assist Louis XIV with 60 warships to help and 4000 soldiers in France's war of conquest against the Dutch Republic. Dutch Republic: The Dutch Republic, also known as the Republic of the Seven United Netherlands ("Republiek der Zeven Verenigde Nederlanden "), Republic of the United Netherlands, Republic of the Seven United Provinces ("Republiek der Zeven Verenigde Provinciën "), the United Provinces ("Verenigde Provinciën "), Seven Provinces ("Zeven Provinciën "), Federated Dutch Provinces ("Foederatae Belgii Provinciae "), or the Dutch Federation ("Belgica Foederata ") was a republic in Europe existing from 1581, when part of the Netherlands separated from Spanish rule, until 1795.
Seven