Hello, your answer would be C.
A and B don't even make sense so those are out and so that leaves C and D. Well he isn't talking about how we all need to think the same or anything, even though he says we are all equal thats a different thing altogether. So the best answer would be C, hope this helped!
Your answer is:
Egyptian hieroglyphs were the formal writing system used in Ancient Egypt.
<span>The modern developments of today's world would have first made the routes more safe. Today, we have the safety of common thinks such as police officers, hospitals, e.t.c. Transportation of goods would have been easier, and it would have been easier to carry larger amounts of goods at one time.</span>