According to the map, you can see that there is hardly any water source in Mongolia, but they do have some sources of water in the North-West region, but the people that are not near those water sources have no water. What this map tells you is that Mongolia has a hard time getting supplied with water, or they don't have a lot of places to get water. The people of Mongolia would have to get their water from other countries through trades of purchase.
The main way how Marxism differs from capitalism is through a lack of a free market economy where natural competition between people who would produce something and people who would consume something would dictate the price and availability of goods.
