Calvins doctrines and theology created profound changes within the fledgling protestants churches.
I do not know any of the answers since I did not read the passage, the next time you could put a link to the passage so it's better to comprehend. That's my best suggestion.
I suggest: Put some context and background knowledge <em>before</em> putting the questions themselves for people to answer. If you don't do that, then people would be coming into this blindly.
To keep the invaders out of China ordered to be made by Qin
It does because your reading it then it tells you about it.
