Why is it impossible to exist in the modern world without a state?

In the modern world, it is impossible to exist separately from the state, because it performs many functions. Ensuring the safety of its citizens, social support for families, sick people and people with various disabilities. The state gives an opportunity to develop, to form, to work by vocation. The state is improving, improving the lives of its population through reforms and optimization of governance. The citizenship of the state gives the right to travel according to the documents established by laws.