Columbia University
Columbia University: East Asia in Geographic Perspective:standard 14
Human actions that modify the physical environment
Columbia University
Columbia University: East Asia in Geographic Perspective
Humans have a great capacity to accommodate to changes in physical environments. Flood, drought, and even global warming lead pragmatic peasants and farmers to assess current ways of operating and seek ways to maximize production....
Khan Academy
Khan Academy: World History: Unit: 600 1450 Regional & Interregional Interaction
The World History unit is from Khan Academy. The years 600 to 1450 are included. The Byzantine Empire, European Middle Ages, origins of Islam, spread of Islam, Great Schism, Crusades, Mongols, Song China, Medieval Japan, Maya Empire,...