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.
Answer:
Federalism in India refers to relations between the Centre and the States of the Union of India. The Constitution of India establishes the structure of the Indian government. Part XI of the Indian constitution specifies the distribution of legislative, administrative and executive powers between the union government and the States of India. The legislative powers are categorised under a Union List, a State List and a Concurrent List, representing, respectively, the powers conferred upon the Union government, those conferred upon the State governments and powers shared among them.
Explanation: