Why does Thomas Hobba think that, without the state, life would be ‘nasty, brutish, and short?’

The paper to answer the question about Thomas Hobbs social theory and his view of what a state should be like and how he connects the human being and the non-rational appetites.
The essay should not go into details of Thomas Hobbs background but only focus on his views of a State and the connections made with the human being and his view of what a government needs to avoid chaos and disorder.

reference to be mixture of internet and books or journals
This under politics class