The answer to the first question is A. The answer to the second question is B. The answer to the third question is A.
the answer to your question is the civil rights movement caused the assassination of Dr.Martin Luther King Jr. However, you'd better try to write it yoursefl or rather check Prime Writing site whether they have a similar article on their blog.
I think Mary and Colin´s transformation is gradual. Mary and Colin both become different people. Mary grows up and is less spoiled, and Colin outgrows his mean ways when he goes outside and sees the secret garden realizing he wasn´t injured as previously thought. As for evidence I am currently re-reading the book now.