more than one direction
Frescoe
Intentionally voting more than one - Apex
a comparative advantage
The term campaign finance reform may be used to refer to a political attempt to make amendments in the manner that money is handled in a nation. It often involves more than one person.
India Perhaps?
A nation divided between more than one state
International is referred mostly for something that is outside a nation that which involves more than one country. It generally is defined as an interaction between 2 or more countries. Example : English is an international language which could mean English is spoken in more than one nation.
Have more than one nation state within its boundaries
no
Sectional, or regional, loyalties Sectionalism, or regionalist
A party involves more than one person so it wouldn't really be a party.