This is a religious reason.
This desire was the motivation of the crusaders who wanted to bring Jerusalem, and other sites that witness the life of Jesus, into the hands of the Christians, and away from the Muslims, so that Christians can worship in this sites.
There was fertile land in the area known as the willamente river valley
The answer for this item is letter "A. granted to the national government by the U.S Constitution". These are also known as "enumerated powers" which include the power to regulate foreign and estate commerce, power to coin money, declare war, etc.
Answer:
D. generally much more expensive to produce than water produced using other methods
Explanation:
Producing freshwater through desalination usually being done for water that's taken from the sea. The water from the sea contains high amount of sodium, which will be unconsumable before we extract the sodium content. Desalination is the term for the process to extract that sodium.
This process is expensive. Typically, The desalination process could cost the producer around $0.13MM to $0.40MM per thousand 
/day. Taking fresh water from other sources (such as clean river) will completely overlook this additional cost.
(I’m not a professional) but I would say that D would be a possible answer because it tests and shows what they (the interviewee) is interested in. Whether it’s for the money or the easy work etc.
