why did M. Hamel insist that people from Alsace should hold on to their language?
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https://www.meritnation.com/ask-answer/question/when-people-enslaved-as-long-as-they-hold-fast-to-their-la/the-last-lesson/4628119
https://www.meritnation.com/ask-answer/question/when-people-enslaved-as-long-as-they-hold-fast-to-their-la/the-last-lesson/4628119