<span>Communism is the word your looking for.
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Communism is a economic and/or social system in which all (or nearly all) property and resources are collectively owned by a classless society and not by individual citizens.
North Korea is an example of communism.
They were trying to accomplish better working conditions and better pay for the field workers.
B and C. These are both benefits, the other two just don't have anything to do with what the question is asking.
Answer:
Here are different water conservation methods where major savings can be done, without many hasseles:
Rainwater harvesting.
Water metering.
Greywater recycling.
Pressure-reducing valves.
Water-efficient bathroom accessories.
Explanation: