Which best describes a cause of the schism between the roman catholic and protestant branches of christianity? pope urban ii fueled the protestant reformation by starting the crusades against the arab empire over the possession of jerusalem. in the battle of hastings, william the conqueror invaded england and killed king harold, claiming the english crown on christmas day and resulting in the protestant reformation. emperor constantine declared christianity the national religion of the roman empire and denounced paganism, resulting in the protestant reformation. martin luther’s 95 theses fueling the protestant reformation by criticizing practices of the roman catholic church, including the selling of indulgences, in a public forum.

The correct answer is D) Martin Luther’s 95 Theses fueling the Protestant Reformation by criticizing practices of the Roman Catholic Church, including the selling of indulgences, in a public forum.

The statement that best describes a cause of the schism between the Roman Catholic and Protestant branches of Christianity is "Martin Luther’s 95 Theses fueling the Protestant Reformation by criticizing practices of the Roman Catholic Church, including the selling of indulgences, in a public forum."

Martin Luther (1483-1546) was a German Theologian that was the most important figure in the Protestant Reformation of the Church. His ideas changed Christianity and led to the separation of the Catholic Church. Luther questioned the main principles of Catholicism. He wrote the document called "95 Thesis" or "Disputation on the Power of Indulgencies," where he critiques the selling of plenary indulgences to forgive sins.

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