D. Pardons from sin because they used to charge you money to pray to God to pardon you if you did some thing wrong and a lot of people did and it was really expensive so they got a lot of money and spent it on St.basilica
Answer:
The Central Pacific and Union Pacific Railroad's experience many unspeakable challenges along the ... The Chinese immigrant population had grown on the west coast due to the discovery of gold. ... In the end, 11 tunnels were completed. An entire camp was taken out by an avalanche, including all of its workers. Another challenge they faced was the need to create tunnels through the mountains. Using nitroglycerin, they had to blast through the mountains in a very dangerous manner.
Explanation:
The answer to your question is c