Answer:
Civilization is characterized by five traits: specialized workers, complex institutions, record keeping, advanced technology, and advanced cities.
Nobody wanted a nuclear war and both sides were terrified of it
All the material has to be direct bearing or can be an assistance in the constructing the history of a particular period are called as historical facts or sources <span />
He is a good/ kind. boy. He is often kind and helpful to every classmate.
:)
