Modern cell phones dated back to the 70's more than 4 billion of 6 billion have cell phones and it was important because people could communicate with other people and if they need an emergency than can call BTW i think everyone should have a cell phone : )
<span>The Mandate of Heaven was the belief that when Chinese rulers died, they became gods.
True</span>
Answer:
True
Explanation:
I learned from 6th grade history class.
