A
B
C
D
E
100

The line between two countries or areas.

border

100

To buy, sell, or exchange goods.

trade

100

Many; more than one.

multiple

100

To look for something.

search

100

To give someone something they need or want

provide

200


Things that are bought and sold, such as food, clothes, or products.


goods

200


A safe place where someone can go for protection.


refuge

200

To take control of a country or people by force.

conquer

200

A person who moves from place to place instead of living in one permanent home.

nomad

200


A person who buys and sells goods.


merchant

300


A society with its own culture, government, cities, and way of life.


civilization

300

To say that something belongs to you or that something is true.

claim

300


The study of the Earth, places, land, water, and people.


geography

300


A group of connected people, places, or systems.


network

300


The process of becoming larger or spreading to more places.


expansion

400

Lasting for a long time; not temporary.

permanent

400

Related to the sea, ships, or sailing.

maritime

400


A system of beliefs about God, gods, or spiritual ideas.


religion

400


A series of rulers from the same family.


dynasty

400

To discuss something in order to reach an agreement

negotiate

500

A journey made for a special purpose, such as exploration.

expedition

500


Related to buying, selling, or business.


commercial

500


Plants that grow in a particular area.


vegetation

500

Groups of people born and living around the same time; also parents, children, grandchildren, etc

generations

500


The natural world and surroundings where people, animals, and plants live.


environment