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An abundance of natural resources , excellent transportation links to the North American heartland and the inland Great Lakes making ocean access possible via container ships , have all contributed to making manufacturing the principal industry of the province , found mainly in the Golden Horseshoe region , which is the largest industrialized area in Canada , the southern end of the region being part of the North American Rust Belt .
 Great Lakes, Golden Horseshoe, Canada, North American Rust Belt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Great Lakes, Golden Horseshoe, Canada, North American Rust Belt