Border States

plural noun

U.S. History. the Slave States of Delaware, Maryland, Kentucky, and Missouri, which refused to secede from the Union in 1860–61.
the U.S. states touching the Canadian border.
certain countries of central and northern Europe that border on the former Soviet Union and belonged to the Russian Empire: Finland, Poland (prior to 1940), Estonia, Latvia, and Lithuania.

Residents of border states like Arizona were understandably terrified that a vicious war was raging a few miles away.

Then if the border States are dragged into the gulf of revolution, one half of the country will be arrayed against the other.

His voice sounded a call that was to echo through the border states for years to come, inspiring others to take up his cause.

We are here because the Border States are alarmed for their own safety.

Like many other citizens of the North and the Border States the handful of organized workers favored a compromise.

And the women refugees from the Border States suffered in addition, the cutting off of news from those they left behind them.

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