The partisan warfare that raged round these topics was so fierce that by 1913 this country was brought to the verge of civil war.

这些议题所引起的游击战如此激烈，以至于到1913年，这个国家已处于内战的边缘。

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Obama says if that happens, the economy will be in further danger and the American people will be collateral damage in partisan warfare.

BBC: Low viciousness and high drama

Clinton's rhetoric revived messier memories: of unmatched partisan warfare and the biggest battle of all -- the impeachment of her husband and his affair with a White House intern.

CNN: Analysis: Why Clinton's bid failed

What remains, however, is the problem House Republicans feared still more: daily partisan warfare over Gingrich that will make it even more difficult for their diminished majority to accomplish anything meaningful.

CNN: The Apology Strategy