The main way in which the Supreme Court redefined commerce with their ruling in gibbons v. Ogden is that they determined that the power of the US government to regulate interstate commerce also applies to navigation, which had significant implications for trade.
Well here in nevada its mostly a huge desert with hot temperatures and since there are high mountains rain mostly never gets here which is why there is a desert here and since this is not in washington i cannot provide a lot of info based on that state
The industrial age brought with it problems such as pollution and monotonous labor
One of the principles of the Constitution is Checks and Balances. Checks and Balances is important because it makes the government in such a way that none of the three branches can gain a lot of power. That had been and still is a problem in forming democracies because usually one branch of government doesn't have enough power over the other two.
Hope this helps! Please let me know if I'm wrong :)