It regulates power between the branches of government so if u wanna say that congress wants to pass a law thats unconstitutional the judical branch steps in and tells them you cant do this
Electricity impacted industries because the businesses and factories could do things faster. Factories had machines that wouldn't use gas and would run better and not give off fumes
One reason that they have two parties is because peoples points of views we all don't think alike so we were given more options. It also gives us a chance to vote for the better of the two finalist.