As King, Louis XIII largely continued his father's important investments in upgrading France's infrastructure along with promoting the arts and education. The economic prosperity that France enjoyed under Henry IV largely continued under Louis XIII. Despite Louis' evident commitment to bringing progress to France, one of his most important policies was entirely regressive. He essentially reversed all of his father's policies that granted religious toleration to Protestants, thus destroying the religious peace that had been enjoyed under Henry IV's reign. By the time of Lous XIII's death, freedom of religion was once again a question and religious turmoil was on the horizon.