Multiple specis that lived during the stone age are now extinct
During the paleolithic stage species began advancing
The new stone age is also known as the Neolithic stage.
For the feudalism chart, 1. King 2. Nobles 3. Knights 4. Peasants and serfs
For the catholic church chart, 1. Pope 2. Cardinals 3. Archbishops and bishops 4. Priests
Grain storage gave people security and the ability of planning ahead. It means that they could store what they produced for the winter and not fear the winter. They could make long term plans and not just live day by day, fearing whether they would have enought to eat the following day
Additionally, it allowed for distribution of grain according to the wishes of those in power
Through checks and balances
