Q:Given the following passage  "These were fighting words to be coming from a country that once insisted Europe needed Turkey and was willing to spill blood over it. For his authority Miller invokes the people, citing the "collective wisdom" of Europe, and introducing a concept to arise many times in the decades to follow under chilling circumstances:",  answer the following question. Note that the answer is present within the text.  Question: Sets of ten years are given the name?
A:
decades