Irrigation machinery has <u>quadrupled </u>the amount of irrigated land in the US.
Irrigation refers to the act of artificially providing water to land to support the development of crops. It is an antiquated agrarian system and may have been honed as ahead of schedule as 5000 B.C. along the banks of such consistently flooding streams as the Nile. Channels were burrowed to broaden the region secured by the surge, and dams were raised to trap water on the land after the floodwaters had died down. The advancement of preoccupation dams and of water-lifting machines allowed the water system of terrains lying over those typically come to by floodwaters. Remainders of these antiquated structures have been found in Egypt, where all farmlands are flooded; Iraq; Lebanon; Syria; China; India; Peru; Mexico; and the United States. Present day water system frameworks are as yet in view of these two key building developments.
Answer: D. transportation time and shipping costs being reduced
Explanation:
As a result of advancements in transportation of goods across different areas, getting agricultural produce from rural to urban areas became cheaper and more efficient. This reduced the need for people to have to engage in Agriculture in the urban areas since they could just buy the produce they wanted relatively easily.
This freed up land for other ventures such as more housing, business and sports centres as well as other structures and not forgetting areas reserved for the facilities needed to transport the goods from other areas to urban areas.