It would be the "Andes" mountains to the west that cause Patagonia To Be Dry Barren And Windy, since this mountains prevent much of the natural rainfal from coming in an enriching any available soil.
The Founders made the amendment process difficult because they wanted to lock in the political deals that made ratification of the Constitution possible. Moreover, they recognized that, for a government to function well, the ground rules should be stable.
The answer would be $1,150 because the interest is 5 percent over a 3 year period. 3x5=15