Interactive Demo
The Progressive Reform Engine
The Progressive Reform Engine is a free, interactive learning demo from the AP United States History course on Lykke. It helps you build intuition for Imperialism (Spanish-American War), Progressive Era Reforms, The Great Migration, The New Deal. Play with it directly in your browser — it features 3 buttons. Choose a Crisis Corporate Monopolies Standard Oil controlling 90% of refining. This demo lives in the “Period 7: 1890-1945” section of the course.

How to use this demo
- Choose a Crisis Corporate Monopolies Standard Oil controlling 90% of refining.
- Use the “1. MUCKRAKE”, “2. AGITATE”, “3. LEGISLATE” buttons to trigger actions or reset the demo.
- Experiment freely — there's nothing to break, and every change is reversible.
What you'll explore
- Imperialism (Spanish-American War)
- Progressive Era Reforms
- The Great Migration
- The New Deal
- Isolationism vs. Interventionism
- World War I and World War II
- The Holocaust and the Atomic Bomb
Frequently asked questions
What does the The Progressive Reform Engine demo do?
The "Saloon Curse" High rates of domestic abuse & poverty. Women's Disenfranchisement Half the population denied the vote. The Progressive Reform Engine lets you explore this hands-on instead of only reading about it.
What AP United States History concept does The Progressive Reform Engine teach?
This period covers the United States' transition into a global power through imperialism and participation in two World Wars, as well as domestic shifts during the Progressive Era and the Great Depression. It focuses on Imperialism (Spanish-American War), Progressive Era Reforms, The Great Migration, The New Deal, Isolationism vs. Interventionism, World War I and World War II from the “Period 7: 1890-1945” section.
What can I control in The Progressive Reform Engine?
The “1. MUCKRAKE”, “2. AGITATE”, “3. LEGISLATE” buttons 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 Progressive Reform 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 7: 1890-1945” 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 Progressive Reform Engine?
You'll build intuition for Imperialism (Spanish-American War), Progressive Era Reforms, The Great Migration, The New Deal, Isolationism vs. Interventionism, World War I and World War II — 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 7: 1890-1945 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 →