The Zhou Dynasty. They later on created the Mandate of Heaven.
Hope this helped!
POSSIBLY TRY TO LOOK FOR FOOD WHEN THEY NEEDED IT TO PROTECT THERE FAMILY FROM STARVATION ?!!
It is either 21 or 18. They have talked about lower the age to 18 but I am not sure if they did it yet or not.
One example would be that it makes it easier to calculate very long numbers like understanding
How many zeros are in 3000000000000 would be more complex than just writing it as 3x10^12
