What is one way the rule of Henry IV differed from that of Louis XIII and Cardinal Richelieu?

A.
Henry spent large amounts of money on his palaces.

B.
Henry ended persecution of Huguenots.

C.
Henry developed elaborate court rituals.

D.
Henry became a Catholic.

B. Henry ended persecution of Huguenots.

The correct answer is B. Henry ended persecution of Huguenots.

To determine the one way the rule of Henry IV differed from that of Louis XIII and Cardinal Richelieu, we need to analyze the given options:

A. Henry spent large amounts of money on his palaces.
This option refers to Henry IV's extravagant spending on his palaces, which doesn't specifically address a difference in his rule compared to Louis XIII and Cardinal Richelieu.

B. Henry ended persecution of Huguenots.
This option highlights a significant difference in Henry IV's rule. Unlike Louis XIII and Cardinal Richelieu, Henry IV implemented a policy of religious tolerance and granted rights to the Huguenots, ending their persecution.

C. Henry developed elaborate court rituals.
This option focuses on the development of elaborate court rituals during Henry IV's reign, which doesn't explicitly indicate a difference in his rule compared to Louis XIII and Cardinal Richelieu.

D. Henry became a Catholic.
This option refers to Henry IV's conversion to Catholicism, but it doesn't specifically highlight a difference in his rule compared to Louis XIII and Cardinal Richelieu.

Based on the analysis, the correct answer is B. Henry ended persecution of Huguenots. This marked a significant divergence in Henry IV's rule compared to the religious policies pursued by Louis XIII and Cardinal Richelieu.