Canon law preserved Roman laws and comes has its origin in the Catholic Church. The correct option among all the options that are given in the question is the second option or option "b".It is actually the body of laws that was made by the ecclesiastical authority for the government. It was actually the laws that were made by the people of the church.
When the body is given weakened/dead pathogenic material this helps build up an immune system towards the actual live infection. It prepares the body for the infection so that the person does not get sick.
Answer: reindeer and muskox
Explanation:
There are many possible reasons but the two most common were christian missionaries who conducted religious missions all over the world in order to convert people, and the second being direct conquest like what Spaniards did in South American countries.