 Although, overall, Matei returned to increasing the taxes, the economic and fiscal crisis was surpassed with relative ease; commercially, Wallachia became reliant on the lucrative salt trade, and Ottoman fiscal demands were offset by inflation.In other fields, Leon's legislation was also left untouched.As argued by Djuvara, the "charter" of 1631 established a pattern of boyar independence and immovability, making Princes themselves into "representatives or instruments of the grand boyars' party".