First of all Mr. Chase my reference for that is Mr Catton's Glory Road. Weather in Europe hurt the grain crops and boosted grain prices in America.
This is ONE factor as I stated if you would read the post carefully. I asked you if you wanted a reference and you did not ask for this. If you want more here are several.
"Cotton diplomacy proved a failure as Europe had a surplus of cotton, while the 1860-62 crop failures in Europe made the North's grain exports of critical importance. It was said that "King Corn was more powerful than King Cotton", as US grain went from a quarter of the British import trade to almost half." McPherson, Battle Cry page 386
The historians who see only economic causes have misinterpreted the effects on policy of the "cotton famine." Recently, also, there has been advanced an argument that "wheat defeated cotton"--an idea put forward indeed in England itself during the war by pro-Northern friends who pointed to the great flow of wheat from the North as essential in a short-crop situation in Great Britain. Mr. Schmidt in "The Influence of Wheat and Cotton on Anglo-American Relations during the Civil War," a paper read before the American Historical Association, Dec. 1917, and since published in the Iowa Journal of History and Politics, July, 1918, presents with much care all the important statistics for both commodities, but his conclusions seem to me wholly erroneous. He states that "Great Britain's dependence on Northern wheat ... operated as a contributing influence in keeping the British government officially neutral ..." (p. 423), a cautious statement soon transformed to the positive one that "this fact did not escape the attention of the English government," since leading journals referred to it (p. 431). Progressively, it is asserted: "But it was Northern wheat that may well be regarded as the decisive factor, counterbalancing the influence of cotton, in keeping the British government from recognizing the Confederacy" (p. 437). "That the wheat situation must have exerted a profound influence on the government ..." (p. 438). And finally: "In this contest wheat won, demonstrating its importance as a world power of greater significance than cotton" (p. 439). This interesting thesis has been accepted by William Trimble in "Historical Aspects of the Surplus Food Production of the United States, 1862-1902"
I was researching this that is why I asked for input Mr. Chase.
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David Upton