The correct answer is letter C.
Explanation: The printing press was created around 1448 by Johann Gutenberg. It made the ideas be spread in all Europe.
In that time Martin Luther spread his ideas about the Protestant Reformation, and had a small number of people to listen to him. But the printed word could spread hid idea for so much more of people.
An this helps Martin Luther and eliminated the Catholic Church's control of everything.
Building through the Sierra Nevada Mountains was very difficult and dangerous. Temperatures were freezing during the winter and in one year alone there were 44 storms.There was the great danger of an avalanche for the men working through 18 feet of snow and camping on the tunnels beneath it. Creating tunnels through the mountains required blasting with nitroglycerin. Advancing at one foot of mountain at a time, a total of 11 tunnels was created.
Answer: The Heiji War was a civil war between the Taira and Minamoto clans.
Explanation: