Complex sentence: The attribution of "SNAFU" to the American military is not universally accepted: it has also been attributed to the British, Rawson's Dictionary of Euphemisms and Other Doubletalk.
Split into simpler sentences: The attribution of "SNAFU" to the American military is not universally accepted. It has also been attributed to the British, Rawson's Dictionary of Euphemisms and Other Doubletalk.