Given the below context:  After the October Tour, U2 decamped to a rented cottage in Howth, where they lived, wrote new songs, and rehearsed for their third album, War. Significant musical breakthroughs were achieved by the Edge in August 1982 during a two-week period of independent songwriting, while the other band members vacationed and Bono honeymooned with his wife Ali. From September to November, the group recorded War at Windmill Lane Studios. Lillywhite, who had a policy of not working with an artist more than twice, was convinced by the group to return as their producer for a third time. The recording sessions featured contributions from violinist Steve Wickham and the female singers of Kid Creole and the Coconuts. For the first time, Mullen agreed to play drums to a click track to keep time. After completing the album, U2 undertook a short tour of Western Europe in December. War's lead single, "New Year's Day", was released on 1 January 1983. It reached number 10 in the UK and became the group's first hit outside of Europe; in the US, it received extensive radio coverage and peaked at number 53. Resolving their doubts of the October period, U2 released War in February. Critically, the album received favourable reviews, although a few UK reviewers were critical of it. Nonetheless, it was the band's first commercial success, debuting at number one in the UK, while reaching number 12 in the US. War's sincerity and "rugged" guitar were intentionally at odds with the trendier synthpop of the time. A record on which the band "turned pacifism itself into a crusade", War was lyrically more political than their first two records, focusing on the physical and emotional effects of warfare. The album included the protest song "Sunday Bloody Sunday", in which Bono lyrically tried to contrast the events of the 1972 Bloody Sunday shooting with Easter Sunday. Other songs from the record addressed topics such as nuclear proliferation ("Seconds") and the Polish Solidarity movement ("New Year's Day"). War was U2's first record to feature...  Guess a valid title for it!
A:
U2