What were the core principles of the first Protestant denominations that led to the period known as the Reformation? How did further Protestant denominations differ from the original ideas of Martin Luther?
(NEED HELP ON 2nd QUESTION)
Answer:(Question 2) Other protestant branches, such as Calvinism, differed from Lutheranism because of their beliefs on predestination. Calvinists believed in predestination while Lutherans believed in salvation by faith.