The correct options are_ He waged war against defiant nobles. - He made the Church pay heavy taxes.
At the end of the Thirty Years War, in 1648 a French civil war began, known as the Fronde. Mazarin continued with the policies of centralization undertaken by his predecessor, Richelieu, thus increasing real power at the expense of the nobility. In 1648, he tried to impose a tax on members of Parliament, which was constituted, mainly, by members of the nobility and high ecclesiastical positions.