The last one, trust me every other answer here is so totally wrong.
You would use the Equal Area Projection because it more accurately shows the size of landmasses. In the Mercator Projection While border shape is well preserved in an elegant flat map the stretching of the image done in order to preserve this distorts the map by making it appear as if Greenland is almost the same size as south america even though in reality Greenland is much smaller.
Because the Constitution was made to be flexible so when new laws needed to be added, the old laws can be reinterpreted.
