Interactive Demo

The Three Sisters Engine

The Three Sisters Engine is a free, interactive learning demo from the AP United States History course on Lykke. It helps you build intuition for Maize Cultivation, Great Basin/Great Plains Nomadism, Columbian Exchange, Spanish Encomienda System. Play with it directly in your browser — it features 1 button. This demo lives in the “Period 1: 1491-1607” section of the course.

Preview of the The Three Sisters Engine interactive demo
Preview of The Three Sisters Engine — play the live version below.
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How to use this demo

  1. Use the “Reset Ecosystem” button to trigger actions or reset the demo.
  2. Experiment freely — there's nothing to break, and every change is reversible.

What you'll explore

Frequently asked questions

What does the The Three Sisters Engine demo do?

The Three Sisters Engine NOMADIC PERIOD Click a plot to plant your selected "Sister". Moisture Retention (Squash -> All) provides a global stability bonus. The Three Sisters Engine lets you explore this hands-on instead of only reading about it.

What AP United States History concept does The Three Sisters Engine teach?

Period 1 explores North America before European contact and the initial interactions between Indigenous peoples, Europeans, and Africans. It focuses on the diverse societies that existed and the transformative impact of… It focuses on Maize Cultivation, Great Basin/Great Plains Nomadism, Columbian Exchange, Spanish Encomienda System, Caste System (Casta), European Exploration Motives (Gold, Glory, God) from the “Period 1: 1491-1607” section.

What can I control in The Three Sisters Engine?

The “Reset Ecosystem” button run actions or reset the demo. Every change updates the visualization in real time, so you can see exactly how each variable affects the outcome.

How does The Three Sisters Engine fit into the AP United States History course?

AP United States History is a college-level course that explores the cultural, economic, political, and social developments that have shaped the United States from 1491 to the present. Students analyze primary and secon… This demo is the interactive piece for the “Period 1: 1491-1607” section. Open the full AP United States History course wiki at https://www.getlykke.com/explore/public/ap-united-states-history-b8598a35-8366-494e-b94c-2986249facf0 for notes, flashcards, quizzes and the other demos.

What will I understand better after using The Three Sisters Engine?

You'll build intuition for Maize Cultivation, Great Basin/Great Plains Nomadism, Columbian Exchange, Spanish Encomienda System, Caste System (Casta), European Exploration Motives (Gold, Glory, God) — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on AP United States History alone.

From the AP United States History course

This interactive demo is part of the Period 1: 1491-1607 section. Explore the full AP United States History course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.

Open the AP United States History course →