Well you have to research what and how it was in 1863 and see if you can get access any of Lincoln's writing and compare the two.
Answer:
They show where quotations are from
You won't necessarily be safe. You'll only if you follow the instructions. But if you read and follow the instructions, it will keep you safe because you will be doing the right things. The instructions are to keep you safe.
Answer:
I think luminosity is the answer
