The Great Depression was caused by various economic factors, including wealth inequality and agricultural issues. Among the options listed, achieving full citizen rights for African Americans did not contribute to the Great Depression. Therefore, that option is the exception in the context of the question. ;
The only factor listed that did not contribute to the Great Depression is 'full citizen rights for African Americans.' This choice is not connected to the economic circumstances leading to the Great Depression, whereas the other options directly relate to economic instability. Therefore, it is the exception among the causes listed.
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