Explain how the Peace of Augsburg, the Edict of Nantes, and the Peace of Westphalia all strengthened secular rulers.

The Peace of Augsburg, signed in 1555, was a treaty between the Holy Roman Empire and the Schmalkaldic League that ended the religious conflict between Catholics and Protestants in the empire. It established the principle of "cuius regio, eius religio," meaning that rulers in the empire could choose the religion (Catholicism or Lutheranism) of their territories. This allowed secular rulers to have more control over religious matters within their own territories, strengthening their authority and autonomy from the church.

The Edict of Nantes, issued in 1598 by King Henry IV of France, granted religious toleration and freedom to Protestant Huguenots in France. This edict gave secular rulers the power to protect minority religious groups within their territories, preventing religious conflicts and promoting stability. By granting religious freedom, secular rulers were able to maintain control over their territories and foster a sense of unity among their subjects.

The Peace of Westphalia, signed in 1648, effectively ended the Thirty Years' War in Europe and established the principle of state sovereignty in international relations. This treaty recognized the independence and autonomy of individual states, strengthening the power of secular rulers over their own territories. By affirming the rights of states to determine their own religious and political affairs, the Peace of Westphalia further solidified the authority of secular rulers and reduced the influence of external powers, such as the church or foreign monarchs.

In conclusion, the Peace of Augsburg, the Edict of Nantes, and the Peace of Westphalia all strengthened secular rulers by granting them more control over religious matters within their territories, protecting minority religious groups, and affirming their sovereignty and autonomy as rulers of their respective states.