Because they had to get a certain amount of states to verify the law in order to take action.
One such sentence would be this: "The compass was a vital piece of technology that allowed sailors and explorers of all kinds find their position in the world relative to the North Pole".
The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
synonyms: farming, cultivation, tillage, tilling,