3.1. Slavic ethnos beginning. 3.2. Natural conditions of East European Plain. 3.3. Slash-and-burn agriculture technology of East Slavs. 3.4. Slash-and-burn agriculture productivity of East Slavs. 3.5. Three-field agriculture technology. 3.6. Three-field agriculture productivity.3.7. General progress strategy of Russian society. 3.8. Three-field agriculture investment threshold. Capital construction. 3.9. Three-field agriculture investment threshold. Cattle and equipment. 3.10. The third critical point on the envelope line of the first key investment cycle of Russian society. 3.11. The second alternative to break the progress deadlock in conditions of Russian society. 3.12. The collapse of economic wave on the third critical point of the first key investment cycle of Russian society. 3.13. The third alternative to break the progress deadlock in conditions of Russian society. 3.14. The civil war in Russian society on the beginning of the 17th century. 3.15. The final approval of the hard linear-headquarters structure in Russian society. 3.16. Beginning of the first uncritical industrial investment cycle of Russian society. 3.17. The third new grain investment cycle at the southeast area of Russian empire.3.18. Beginning of the second uncritical industrial investment cycle of Russian society. 3.19. Foreign investment in industry of Russian empire. 3.20. Agrarian reform in Russian society in the middle of the 19th century. 3.21. Government budgeted deficit of Russian empire on the edge of the First World War. 3.22. Inertia of linear-headquarters structure. 3.23. The hopeless debt of Russian government at the end of the First World War. 3.24. The first alternative to break the progress deadlock in conditions of Russian society. 3.25. The end of the fourth grain-industrial key investment cycle of Russian society. 3.26. The principal causes of the collapse of the Soviet Union.