trade (goods or services) for other goods or services without using money

an advanced stage (as in art, science, and government) in the development of society

beliefs, customs, and traditions of a specific group of people

having to do with the money system

to move from one place to another

moving from place to place rather than living in one place all the time

the time prior to civilization

of or belonging to very early times; simple or not developed

of or relating to human beings as a group; relating to interaction with other people

the development of skills in a specific kind of work

a situation in which quantity supplied is greater than quantity demanded (extra)

relating to government or the conduct of government