What kind of document is the undelivered speech of benigno aquino jr

Manuscript Speech.

Explanation:

The undelivered speech of Benigno Acquino Jr was the speech concerning 'Ninoy' arrival from the US on 21 Aug, 1983. The speech, as the name suggests was undelivered because as soon as Acquino stepped on the airport, he was shot dead with a bullet straight in the center of his head.

This document is called manuscript speech. A Manuscript speech is the one that is written text which is to be read to the audience. Such speech require to be read word-by-word as written in the document.

Therefore, the correct answer is manuscript speech.