Unit 8 of 12 · Money and the world · about 4 weeks

Geopolitics: Why do countries act the way they do?

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Teach how the world works before teaching opinions about it. Much of what countries do follows from where they sit: what they have, what they lack, who their neighbors are, and who controls the water and the trade routes.

One afternoon of the simulation at the end of this unit may teach more about international relations than memorizing fifty capitals.

Where would you build a country?

  1. Give each child a blank world map and ask where they would found a country, and why.
  2. Layer in information one piece at a time: mountains, rivers, fresh water, farmland, oil, minerals, ports, shipping lanes, neighbors, population.
  3. After each layer, ask whether they would move their country.
  4. Then ask: what if your country has oil but very little water? What if another country controls the river flowing into yours? What if you grow food but have no port?

Core ideas

  • Geography shapes what a country can do: water, food, energy, defensible borders and access to the sea.
  • Natural resources are spread unevenly, which drives trade, alliances and conflict.
  • Countries trade because no country can make everything well (comparative advantage).
  • Chokepoints — narrow straits, canals and rivers — give whoever controls them power.
  • Interests explain more than personalities; ask what a country needs before asking what its leader wants.

Activities

Geography of a pencil

Trace where the wood, graphite, rubber and metal in an ordinary pencil come from, and map the trade network it takes to make one. National Geographic's free activity (grades 4–8) is built for exactly this.

Data detectives

Use Our World in Data to compare two countries' energy, food and population, and predict what each will need from the rest of the world.

The negotiation simulation

Each child gets a fictional country with different geography and resources. The parent announces events — a drought begins; oil prices double; your neighbor closes its port; a new mineral is discovered; another country offers a defense treaty — and the children negotiate.

One lesson, three outputs

Grades K–2 (ages 5–8)

Build countries on a sandbox or paper map with blocks for water, farms and mountains; trade what you have for what you need.

Grades 3–5 (ages 8–11)

Do the pencil activity and the layered-map exercise, and play the simulation with written trade agreements.

Grades 6–8 (ages 11–14)

Research one real chokepoint or resource dispute, present both sides' interests, and lead the simulation as negotiator with a written strategy.

The family question

What does this country need, and what does it fear?

Thinking Journal prompt

What did my country need in the simulation, and what did I give up to get it?

Getting it right

Keep the focus on interests, geography and trade rather than on which countries are good or bad. Present real disputes with each side's own reasons, and let older students form their own views.

Free resources