Traditional)
In essence, the traditional economy is very basic and the most ancient of the four types. Some parts of the world still function with a traditional economic system.
I would have to say that Justinians empire was weak after being split into. He also faced criticism for the rise in taxes due to the war effort.
If other countries aren't willing to fight for them and they cant fight for themselves the United States probally would but no we dont have to
A)
International technically means worldwide or nationwide so definitely more than one nation :)