Statistics for occurrence #1 of “Mr. Jenckes” in entry curtis-george-william of Harper's Encyclopedia of United States History:

...feeling. The necessarily evil consequences of the practice which he justified seemed to be still speculative and inferential, and to the national indifference which followed the war the demand of Mr. Jenckes for reform appeared to be a mere whimsical vagary most inopportunely introduced. It was, however, soon evident that the war had made the necessity of reform imperative, and chiefly for two reason...
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