Tobject]user: as part of the executive branch, the vice president

The vice president's only formal responsibility is taking over if the president steps down or dies. However they do more than that. They preside over the senate, and vote if there is a tie. 

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.