Assuming "early humans" refers to those who existed in "prehistory" or before written history, they did not require government. Instead, societies existed in tribes or bands, following the directives of the eldest members. Eventually, societies became too big for this to work and government took the form of kingship. Democratic governments, have only existed as we know them for about 220 years, though the idea for it is older.
food
Its because of power and greed.
humans need to smoke because they are most probably addicted and they do not worry about any side effect on them
Early men feel the need of pots as the ladies of there house went far away places to find water . Pots were used to contain water in early times.
Early humans used drawing and painting as a way to communicate, record events, and express ideas since written language had not yet been developed. These artistic expressions also served as a way to depict daily life, rituals, and beliefs, and may have had spiritual or religious significance. Overall, it allowed early humans to communicate complex ideas and concepts visually.
I doubt there was a 'purpose' to it, they were humans, and humans seem to be hardwired to feel inferior and with a need to explain the unexplainable
Very few humasd do need clothing. We are taught shame and propriety and feel a desire to be covered when there is no need.
What you need to do is study how groups of people think and feel. You also need to study the behavioral path of humans, and why they think and feel the way they do.
Since they can be so " cute"....humans think that dogs do not understand...they try to reason with them, yet they need to know the human must be the leader!
they need to feel like they belong to something or are apart of a group of people.
Early humans were nomadic because they were constantly in need of food and water. This changed with the development of agriculture.
The struggle and need for control. All fears are stemmed from the fear of loss of control therefore people feel the need to fight for what they want and what they think is right.