Answer
John Calvin's ideas
Explanation
Protestant religion is any member or follower of any of the Christian Churches that are separate from the Roman Catholic Church in accordance with Lutheran Church
John Calvin was a French Protestant reformer who was best known for his doctrine of predestination and his theocratic view of the state. John Calvin's theology has been influential in both the development of the system of belief now known as Calvinism and in Protestant thought more generally.His ideas greatly influenced the Protestant churches in France, Switzerland, Scotland, and the Netherlands.