Answer:
"Boston Strong" is a slogan that was created as part of the reaction to the Boston Marathon bombing in April 2013. It is a variation on the term Livestrong, which was created in 2004. Since the phrase became popular it has been frequently placed on various kinds of signage and merchandise. Immediately after the Boston Marathon bombings, “Boston Strong” emerged as a powerful slogan. It represented a proud mix of resiliency and defiance, an attitude rooted in local culture.
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