Answer:
B. Water is the single most important natural resource on Earth.
Explanation:
By stating its importance it shows that we cannot take this for granted. (I think this is it if not, sorry)
About ten thousand years ago is when the last ice was becoming history and when the global climate warmed up. Some estimates say that the ice started melting 14 000 years ago and melted up until 7 000 years ago.
This means that the vast land covered by ice for many years now became accessible to people and people moved north to live in the newly exposed land.
Some of the policies was to help rebuild the empire, to restore in its natural order, and people to know their places on the social hierarchy,
