Answer: accurate sources and references to other works or literature.
Explanation:
When referencing sources, you are utilizing facts that have already been determined, and can back up your reasoning.
I think it's Inter connection network, not sure
I believe that you would be giving permission for someone to do something.
It’s C (if this one is wrong then I’m sorry)
They had prosperous economy(great progress in agriculture, commerce, and handicraft industry) and flourished in science and technology such as developments of compass, gunpowder, and movable type printing.
