What are the responsibilities of the secretary of state?

- Serves as the President's principal adviser on U.S. foreign policy

- Conducts negotiations relating to U.S. foreign affairs

-Grants and issues passports to American citizens and exequaturs to foreign consuls in the United States.

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.