Answer:
Split Voter ship and Checks and balances
Explanation:
The two major parts of America's political system is firstly, the fact that we have a two party system, that being democrat and republican because without this system many decisions in the United States would be made a lot easier and faster. Secondly the fact that each branch of our government can check and decide if the other is becoming too powerful and thus restrict them is someone that is very special for the United States almost alone.
Plateau because of the fresh water I think
The conversion answer is 12014
Hey there,
I don't get your question but I can explain what a plateau is:
https://en.wikipedia.org/wiki/Plateau