When president herbert hoover raised taxes in 1932, keynes correctly predicted that economic activity would

Renowned economist John Keynes predicted that the economic activity would fall even further after President Herbert Hoover raised the taxes in 1932.

Explanation:

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

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