Click on the name of the feature on the map that was most important to the villages and civilizations in this region of ancient China. Question 2: Why was this feature so important? This feature’s snow melted into the valley, providing water for agriculture. This feature’s sand blew in on strong winds, making the soil fertile. This feature brought nutrients from loess to the valley, making the soil fertile. This feature provided necessary resources for agriculture. This feature allowed for trade between villages. This feature provided protection from invading nomadic tribes.