What is one important characteristic of all human systems

The ability to function and for chemical processes to occur

Language

Explanation:

It is regarded as the characteristic of the logic, is often seen to be the single dynamic aspect in all the human systems. Human systems under this view are linked to that of the development of the logic'. However, logic has not always been considered coherent.

The war began as a fight between mayans and the landowners of the country. the main causes of the guatemalan civil war was started by the greed of the united fruit company, the fear of communism, and the racism toward the  mayan  people.