Water could be considered a resource, a mineral, an expensive and vital enterprise to life and various other purposes, also might have catalysed the formation of life on earth.
Water is a vital source for many functions such as the earth's temperature, humidity, biogeochemical cycles and other roles.
The collapse of the Indus Valley Civilizations can be attributed to the following factors. One, the trade networks declined and disappeared. This meant less work for traders and manufacturers. Two, changes in geography that caused the rivers to either dry up or change direction Three, the people abandoned the major cities. Four, without trade and access to water, people succumbed to disease and starvation.
because of their money and economic problems u welcome baby call me sometime
I believe it would be the food rations it deployed.