The correct answer is - c. it encouraged written language so that records could be kept.
The development of agriculture enabled people to settle in at one place instead of having a nomadic life. This way of life and the sufficient amount of food enabled the people to focus on other things, one of which was the invention of the written language which allowed the people to be able to express themselves better, or to preserve records over time, to provoke the creativity in them...
Explanation:
What developing countries had not realized earlier that apart from investing in college educated worker ,they also need to invest on demand for rise in the work force for skilled workers. College education alone will not be sufficient for greater positive development impact of the workers. Right kind of skill relevant in the industries must be inculcated in them for positive development impact. Off late this realization has been made, developing countries are working on it.
The correct answers are C.) and D.)
The helots because Spartans are turned into slaves