The correct statement about Lutheranism is:
A) Lutheranism taught salvation through faith alone, not good works.
The other options are incorrect as follows:
B) German princes did not invent Lutheranism; it was founded by Martin Luther, a German monk and theologian.
C) The Holy Roman Empire did not welcome Lutheranism eagerly; in fact, it faced significant opposition from the Catholic Church and the empire itself.
D) Lutheranism emphasized salvation through faith alone, not through good works.