First class began to emerge as early as dotsivilizatsionnuyu era when man began to create permanent settlements, farming, pottery and mastered blacksmithing. One and the same person because of their limited forces could simultaneously mold pots, forge metal tools and cultivating food, so I started to develop the exchange of commodities.
A new round of the professional division of men arose with the emergence of a centralized state. Rulers needed warriors to protect their possessions and control to manage them. Thus began to form military and administrative professions. Mankind has finally embarked on the professional division of labor.
I liked the first day at school. First we went to the line devoted to the day of knowledge. Then we went to the classroom. There I saw that we have many new students. I met some of them on the first day. I think that we have a good class. It has the majority of the same people as last year. I was delighted when I found out that I would not have any objects I did not like. Most of all, I was disappointed that our best friend and I are now in different classes. But nevertheless, the day went well.