https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/a/activity-opener-casual-map-jack-and-the-giant-beanstalk 2026-06-30T12:40:47.173333589Z Activity: Causal Map—Jack and the Giant Beanstalk Explore the causes and effects of Jack and the Giant Beanstalk. A casual map is a thinking tool that you can use to deepen your understanding of a chain of events. article https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/a/article-transition-to-farming-differing-perspectives 2025-12-24T13:47:29.578179834Z The Transition to Farming: Differing Perspectives The shift from foraging to farming by our ancestors was gradual, uneven, and revolutionary, but there’s a fierce debate on how and why it happened and whether it was a good thing. article https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/a/activity-causation-from-foraging-to-complex-societies 2026-06-30T12:40:47.173333589Z Activity: Causation—From Foraging to Complex Societies You'll continue to grapple with cause and consequence and explore how causal reasoning can be used to help understand change over time. What caused the shift to farming, and what were the consequences for humanity? article https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/a/activity-causal-map-from-foraging-to-complex-societies 2026-06-30T12:40:47.173333589Z Activity: Causal Map—From Foraging to Complex Societies Continue developing the causal mapping skills you acquired from the beginning of this lesson as you dive into mapping the causes and consequences of farming. article https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/a/activity-marketing-101-foraging-or-farming 2026-06-30T12:40:47.173333589Z Activity: Marketing 101—Foraging or Farming? Time to pick a side! Farming or foraging? Use your marketing skills to defend your choice. article https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/a/activity-closer-unit-2-notebook-part-2 2026-06-30T12:40:47.173333589Z Activity: Unit 2 Notebook—Part 2 Return to the questions from earlier in the unit to see what you've learned and how your thinking has changed. article https://www.khanacademy.org/science/cosmology-and-astronomy/life-earth-universe/humanity-on-earth-tutorial/v/land-productivity-limiting-human-population 2021-05-28T22:26:27Z Agriculture and human population Thinking about how we get Calories from the land limits human population densities Sal Khan video https://cdn.kastatic.org/googleusercontent/qNmN6kq5Ijv2bAEqakx4fV-lfWVjCvZF5xOJmHjtyUojNvmjtbwRdutBGqMH9qrRrlst83N3mWFU20DURaBgKV2IJA Agriculture and human population Thinking about how we get Calories from the land limits human population densities https://cdn.kastatic.org/ka-youtube-converted/xM8szz4VB28.mp4/xM8szz4VB28.mp4 780 The Biggest Mistake Humans Ever Made? | 2.5 https://www.khanacademy.org/humanities/world-history/x66f79d8a:early-humans/x66f79d8a:the-biggest-mistake-humans-ever-made-2-5/e/2-4-and-2-5-practice 2026-06-30T12:40:47.173333589Z The Biggest Mistake Humans Ever Made? Practice what you learned in lessons 2.4 and 2.5! Jessica Shattuck exercise