"By 16 October 1972, the truckers’ strike had spread into central Chile, shopkeepers and small businesses had joined, and professional groups were considering joining."
This memorandum dated 16 October 1972, published in the 2014 Foreign Relations of the United States volume, provides contemporaneous confirmation that the stoppage had spread from southern Chile into the central regions. It reports participation by shopkeepers and small businesses and indications that professional groups, including engineers and doctors, might follow.
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