The Border Ruffians
== No, the term "state line" is not always the term used. I have traveled fairly extensively and have heard it called a state border as your question suggests, and "the border," and a "the state "boundry." I think there may have been others, which at the moment I can't recall .
preliminary elections
If you traveled North of Spain and crossed the Pyrenees you would be in a country called Hannibal
stupid question
Primary elections or primaries is what these elections are called.
Primary
When countries share a border, it is called a "land border" or a "physical border".
A border separating two countries is called an international border or a national border.
It is called the border. There are border crossing set up on most of them to control who comes in or out of the country.
Recall elections
The border to the right of a column is called a right-border or column right boundary.
Candidates