nomads –n. people who move from place to place often to feed herd animals

range –n. a group of mountains

routes –n. the way to get from one place to another

anthropologist –n. a scientist who studies humans, their origins and societies

flocks –n. groups of sheep (also birds)

pasture –n. grassy land used to feed herd animals

caravan –n. a group of animals and people traveling together on a long trip especially through a desert

author –n. a person who has written something, the writer of a book or other work

isolationism –n. a policy of not making agreements or working