Saudi arabia is the world's largest producer of desalinated water. there are several desalination centers around the country, and more are being constructed. other middle eastern nations have started desalination programs—removing the salt from water to make it drinkable—but none have invested as much as saudi arabia.

It looks like the item that you wrote lacks the choices. I was able to look for similar items and found the choices. Assuming that's the choices that this item lacks, here is my answer which is: The reason for this is that Saudi Arabia has the first and largest desalination technology in the world.

France played a key role in the american revolutionary war (american war of independence; 1775–1783). motivated by the ideals of the new nation which were inspired by the french enlightenment, as well as its long-term rivalry with britain and so as to avenge their territorial losses during the french and indian war, france secretly began sending supplies to the americans in 1775.