You would use empathetic listening in conversations with friends or family.
D. Was
Because if you read it with a,b, or c it wouldn't make sense. Now read it with D and see doesn't it make sense?
Answer: Supporting detail.
Explanation: This sentence adds to the topic of telescopes helping people see the universe.
Answer:
One of the most important ones is that by referring to the South as "the rebellion," Lincoln establishes that the North States are the ones adhering to the "Union" and therefore, the United States, while it is the Confederacy which wants to leave.