Final answer:
True, the Reformation's spread in German states was significantly driven by social and economic discontent, particularly the critique of indulgences and the Church's financial demands on the people. so, option a is the correct answer.
Step-by-step explanation:
An important reason for the popularity of and spread of the Reformation in the German states was indeed social and economic discontent. This is true. Discontent among European Catholics, especially in Germany, with the practices of the medieval Roman Catholic Church set the stage for Martin Luther's actions, which sparked the Protestant Reformation. Luther's criticisms, particularly of indulgences, resonated with common people who felt economically exploited by the Church's taxation. Additionally, the invention of the printing press by Gutenberg allowed for widespread dissemination of ideas, including those challenging the Church's authority, further facilitating the Reformation's reach and acceptance.
An important reason for the popularity and spread of the Reformation in the German states was indeed social and economic discontent. The market revolution that brought social and economic changes to the United States in the 19th century can be seen as an example of how social and economic factors can drive religious reform movements. In the case of the Reformation, discontent among European Catholics and an interest in spiritual transformation in northern Europe set the stage for Martin Luther to challenge the questionable practices of the Roman Catholic Church.