D. Cuneiform
The Sumerians developed cuneiform, which was a system of writing in which writing was inscribed on clay tablets with a stylus. This is one of the earliest known systems of writing.
I would put something simple like Very Aggressively
The answer is public and private assistance from the United States and other nations. The Green Revolution alludes to an arrangement of research and the improvement of innovation exchange activities happening between the 1930s and the late 1960s (with prequels in crafted by the agrarian geneticist Nazareno Strampelli in the 1930s), that expanded rural creation around the world, especially in the creating scene, starting most particularly in the late 1960s.
