Miami, though, is seen as the key battleground on the issue because of the historical significance of the local ordinance.

"The work place is a key battleground," he said.

Screen size, processors and even the way we use our phones are all expected to be key battlegrounds.

And this is now a key battleground in the fight over the global food system.

China's opponents and advocates alike focused their lobbying efforts on the Senate as the key battleground.

Military contracting has emerged as a key battleground in efforts to provide more economic opportunity to minority-owned businesses.

Ohio, with 23 electoral votes, is also a key battleground where Democrats usually need some extra help.

A key battleground will be the scope of judicial discretion.

"That makes them the key battleground, and both parties know it."

He became the point man for the registration effort in a key battleground: Greenwood, Miss.