battleground

The farmer's field was a civil war battleground, and relics such a minnie bullets were frequently found while plowing.

And now the two of them are lost in a screaming battleground

Abortion was becoming the season's big political battleground.

Mr. Biden, the former vice president, is ahead of Mr. Trump in the Northern battlegrounds of Wisconsin and Pennsylvania, as well as in the Sun Belt states of Florida and Arizona, according to a poll of likely voters conducted by The New York Times and Siena College.