Question

The most significant reason why the ideas of Lutheranism spread was:

A. The support of the Roman Catholic Church
B. Luther's strong influence in the Italian states
C. The widespread use of the printing press
D. Luther's conversion to Eastern Orthodoxy

Answer 1

The most significant reason why the ideas of Lutheranism spread was the widespread use of the printing press.

Step-by-step explanation:

The most significant reason why the ideas of Lutheranism spread was the widespread use of the printing press. Luther's ideas were able to circulate throughout Europe because of the invention of the printing press with movable type.