Answer: Irrigation
Explanation:
You included no options (unless there weren't any to begin with) but irrigation should be the answer.
Irrigation is a method of watering plants that involves controlling the amount of water that goes into a farm in a given period. It works by channelling water from a water source like rivers and wells and then directing it to farms.
People built canals from the Tigris and the Euphrates that channelled water to their farms thus enabling them to use the two rivers to water their crops. The ancient Egyptians did the same with the Nile.
Spartan troops conquered the city of Messian and turned it's conquered people into non-free laborer a. The Messerians were forced to raise crops for the Spartans. This captive work force freed Spartan men from farming chores.
The impact of Mongol rule on these two nations was different and didn't affect each conquered nation in the same way. While the Chinese were directly affected by ongol rule because they were "closer" to their central power in a sense, for Russians it wasn't like this. Due to their remote location they weren't assimilated as strongly as the Chinese were.
The command center usually is located near the security department and is commanded by the administrator on call, along with the chief nurse officer, emergency department air care medical director, and safety and security director.
<h3>What do you mean by command center?</h3>
A command center usually referred to as a headquarters or HQ, is a focal point for carrying out instructions and managing tasks. Three general activities—inputs, processes, and outputs—appear in every command center. The aspect of the inbound is communications (usually intelligence and other field reports). Sitreps and progress reports in relation to a predetermined target are examples of inbound components that come from the field back to the command element. A command element that decides what should be done with the input data is a part of the process aspect. A field (Major through Colonel) or flag (General) grade commissioned officer and one or more advisers make up the command in the US military.
To learn more about the command center, Visit:
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Answer:
Vatican City
Explanation:
has only .49 square km of land and 800 people