To know how much ''sheep'' some one owed them
To keep in contact with other people E.G there not at there home you can leave the letter.
which was easy to plan out dates and due dates
To ride in a boat on the Nile River
It is less time consuming and meant you could do more things
Agriculture got easier which was then easier to transport crops.
Created more healthier humans
created more people which meant more work could be done
Attracted more animals which meant more meat and more animals to domesticate and help out.
created a lot of diseases
disgusting to walk over waste
At neolithic times weren't that many cures for diseases
Farming created hierarchy which created a lot of people not to have freewill.
Created wars and fights
people stealing things and valuables