It was the name of the boundary that divided Europe at the end of WW2
By the early 1900s, Germany had worsening relations with all of the following except "Austria-Hungary", since a wave of nationalism in Germany gave them the impression that Austria-Hungary was really a part of Germany anyway.
The United States has been a leading member of the United Nations although there have been disputes along the way.
it's unlikely a majority of a large population would agree on issues
hope this helped :)
It was created to protect ad help former slaves after the war.