The rose in the concrete is basically how someone can fulfill greatness despite their environment or background.
The quiet car can make journeys peaceful and productive
I believe it is Point of view since it has an explanation of a character or an observer
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.
The main purpose of expository text is to inform or describe what the story or book is about, so when the student reads they are understanding what is being read better. They can use this technique forever when reading and comprehening.
