text: These places were the subject of techniques such as "the Silent Death" and "Peaceful Penetration.
full_question: These places were the subject of techniques such as "the Silent Death" and "Peaceful Penetration." Residents of these places were referred to as PBIs in a satirical newspaper published in one of them, The Wipers Times. Tony Ashworth described how a "Live and let live" system characterized life in these places, where a ritual called the "morning hate" was practiced. Inhabitants of these places engaged in an impromptu soccer game during the Christmas Truce. Many of these places were created during the "race to the sea." Duckboards and boots designed by John Pershing were used in these places to combat a gangrenous foot condition common in them. The area separating these locations was called No Man's Land. For 10 points, name these barbed-wire- topped fortifications used during World War I.
first_sentence: These places were the subject of techniques such as "the Silent Death" and "Peaceful Penetration.
raw_answer: trenches [or No Man's Lands until "Residents" is read]