The appropriate answer is b. Zimbabwe, Mozambique and Zambia. The Zambezi River is the geographic feature that would most easily support the development of a civilization. Most civilizations develop close to a fresh water source that provides water for domestic and agricultural purposes. The river can also be a source of food. Civilizations would not developed easily in and around the regions of the Namib and Kalahari Deserts and these regions are usually void of surface runoff.