Video 1:
All I Want For Christmas is You by Mariah Carey
Video 2:
All I Want For Christmas is You by Fifth Harmony
So the difference between the Mariah version and the Fifth Harmony one is that the first one is sung by one person, the other is sung by 5 people. Mariah's version shows Mariah outside in the snow wearing a winter outfit with Santa, while the Fifth Harmony version shows them inside their house celebrating a normal Christmas and opening presents. 
 
        
             
        
        
        
Answer:
A nation has diplomats, and is comprised of states. States comprise of delegates, and does not comprise of nations.
Explanation:
The difference between a nation and a state are that a nation has to make deals and treaties with foreign countries. Meanwhile, states have to make deals and treaties with other states. Also, a nation is made up of smaller regions, which are states. States are not made of of nations. These are the major differences. Hope this helps!