Many industrial cities such as Detroit have a history of dominance of employment sector by industries.These industries paid relatively high wages for low-skilled jobs and gave a sense of security ensured by large unions. But at the same time these safe conditions discouraged workers from starting their own businesses or continuing education.
Hence, Declining basic employment sector in industrial cities have left them with a lack of job opportunities for a poorly qualified workforce pushing many families below the poverty line.
Answer: From the White House, US President John F Kennedy cancelled at the last minute the US air strikes that would have neutralised Castro's aviation. He did so because he felt the United States could not appear to be behind the invasion
Explanation:
The authority before the Sientific Revolution was Galen