Social Studies 20: Population and Sustainability Lesson https://docs.google.com/document/d/1SqGOMJueV91nX0tA6tN4q4BvN1dBQfoep4K7z2MhxTI/edit
Social Studies 9: Sparta Vs. Athens Life and Worldview https://docs.google.com/document/d/1-Hk7xBLfWOwz8Zd8O1kBbXOMyPQOyTf_jtokWuD3ojc/edit?usp=sharing
