Which of the following best describes the common historical involvement of Martin Luther and John Calvin?

European imperialism refers to the expansion of European powers and their colonization efforts during the late 15th to 20th centuries. This concept primarily concerns political and economic dominance rather than religious reform. While the Reformation occurred during the age of exploration, it does not directly relate to the imperialistic pursuits of European nations.

The Industrial Revolution, which began in the late 18th century, marks a period of significant technological and economic change rather than a religious movement. While the Reformation set the stage for modernity and influenced societal changes, it is not directly tied to the developments characterized by the Industrial Revolution.

The age of discovery refers to the period of exploration and maritime expansion that began in the late 15th century. Although Luther and Calvin lived during this time, their contributions were primarily focused on religious reform rather than exploration. The age of discovery is more associated with explorers and the expansion of trade routes than with the theological shifts initiated by these reformers.