Global History: Collisions and Networks
Examine how trade networks, biological exchanges, and revolutionary ideas tied disparate continents together. Compare how global empires maintained control and discover how historians decode power across the world's archives.
Like Duolingo, but for Global History: Collisions and Networks. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
26 levels across 4 sections, about 52 minutes end to end, roughly 10 days at five minutes a day. It moves through Following the Global Currents, Comparing Power and Rule, Revolutions and Global Reshuffling, and Interrogating the Past. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android
Key ideas in Global History: Collisions and Networks
- The Single Whip Law required Chinese subjects to pay land taxes exclusively in silver coin.
- China's economy ran a massive trade surplus, exchanging high-demand silks and porcelain for bullion.
- The Manila Galleon trade route directly funneled American silver across the Pacific to China.
- European chartered companies provided credit and shipping to organize plantation logistics.
- Sugar plantations operated as agro-industrial enterprises that consumed enslaved human life.
- Monoculture cash crops were grown exclusively for export rather than local subsistence.
- Trade followed predictable monsoon wind cycles that forced merchants to stay months in port cities.
- Entrepôt ports flourished by offering tax exemptions and security rather than military dominance.
- Most regional merchant vessels were unfortified dhows and junks trading without central protection.
- Maize and sweet potatoes produced high yields on marginal soils in southern China.
- Cassava thrived in nutrient-poor African soils, stabilizing food supplies against droughts.
- Potatoes yielded roughly three times the calories per acre compared to traditional European grain crops.
- Sogdian diasporas coordinated multi-currency contracts, caravan guides, and banking networks.
- Overland caravans moved in hops between fortified oasis outposts across Central Asian deserts.
- Goods changed hands across multiple intermediaries rather than traveling end-to-end with one trader.
- Eurasian pastoralism exposed populations to zoonotic herd diseases for millennia
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Global History: Collisions and Networks the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Under the Ming Dynasty's Single Whip Law, how did landowners have to pay their taxes?
Get it right to open this lesson and 25 more in the app.
How to learn Global History: Collisions and Networks, step by step
Go in order. 26 short levels across 4 sections, about 52 minutes in all, five minutes a day.
- 1
Following the Global Currents
- Tracing Commodities Across Continents
- Pathogens and Biomes: Biological Globalization
- 2
Comparing Power and Rule
- Bureaucracy and Imperial Governance
- Land, Labor, and Extraction
- 3
Revolutions and Global Reshuffling
- The Transatlantic Revolutionary Wave
- Imperial Clashes and Anti-Colonial Resistance
- 4
Interrogating the Past
- Decentering Eurocentrism and Archival Silences
- Historical Causation and Contingency
4 sections · 8 units · 26 levels. Built to play, not to enroll.
Questions about Global History: Collisions and Networks
How do I learn Global History: Collisions and Networks?
Go in order: start with Following the Global Currents, then Comparing Power and Rule, then Revolutions and Global Reshuffling, then Interrogating the Past. On Tomo that's 26 short levels, about 52 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Global History: Collisions and Networks?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Global History: Collisions and Networks is one of its free courses, and you can type any other topic to get a course of your own.
Is the Global History: Collisions and Networks course free?
Yes. Global History: Collisions and Networks is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Global History: Collisions and Networks?
26 levels across 4 sections, about 52 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Global History: Collisions and Networks?
No. It's pitched at an intermediate level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Global History: Collisions and Networks is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Global History: Collisions and Networks today.
Download Tomo, search Global History: Collisions and Networks, and play your first lesson in under a minute.