Because it established judicial review which gave the Supreme Court the ability to declare legislations unconstitutional which in turn limited congressional power.
This isn't hard to answer - A; because Japan had so many small, isolated islands, governing the entire country was often very challengin. Imagine being the emperor or just in charge of a country which was composed of hundreds of islands. For your decree to get into motion on all of them, it needed a lot of time.
Since nobody learned what you learned you're going to have to do this one on your own sorry :/
Nutmeg was one of the things they produced. Another was paint,clothing,glass and several other products they expected the american colonies to buy.
