Clip from 1948 speech by Strom Thurmond.

Derived from a digital capture (sond file/scan) of the soundfile (creator of this digital version is irrelevant as the copyright in all equivalent images is still held by the same party). Copyright held by the publisher or the artist. Claimed as fair use regardless.

Strom Thurmond

soundfile only, a small portion of the commercial product.

Yes

The soundfile serves as the primary means of verbal identification of the subject (Strom Thurmond). It illustrates critical commentary about the political views of the subject..

There is no free equivalent of this soundfile, so the soundfile cannot be replaced by a free soundfile.

The use of the soundfile will not affect the value of the original work or limit the copyright holder's rights or ability to distribute the original. In particular, copies could not be used to make illegal copies of the newspaper.