Sonia’s home town just had the longest power outage the town has ever seen, lasing three whole weeks! When writing an article about the outage for her school paper, she looked up the last big power outage the town had back in 1957. She found an article in the archives, which she then used as an example when she was writing her own article. What type of source would the article about the 1957 power outage be? primary source secondary source bias source anonymous source