The threat to its survival may have passed but the euro zone faces electoral and economic crosswinds this year which could push it to break policy taboos while challenging its ability to do so.
The threat of deflation is stalking the currency area and increasing pressure on the European Central bank to act.
Anti-euro parties look set to perform well at elections to the European parliament in May and could hamper the bloc's ability to enact measures to bind its member states together more closely.
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