A command economy is a system where the government, rather than the free market, determines what goods should be produced, how much should be produced, and the price at which the goods are offered for sale. ... The command economy is a key feature of any communist society.
From about 1000 - 1400 CE, the Pueblo people c.<span> constructed advanced irrigation systems. This was during the 300-year drought called the Great Drought. Because of this, farmers were able to develop several farming techniques to lessen their use of water in agriculture. One of the developments were irrigation systems.</span>
They learned that they could use the media to make their acts of terror, more public. They also learned that attacking certain things of importance, would cause more terror.