The protectionists therefore hold that the boasted prosperity of the country under the tariff of 1846 was abnormal in origin and in character. It depended upon a series of events exceptional at home and even more exceptional abroad,--events which by the doctrine of probabilities would not be repeated for centuries. When peace was restored in Europe, when foreign looms and forges were set going with renewed strength, when Russia resumed her export of wheat, and when at home the output of the gold-mines suddenly decreased, the country was thrown into distress, followed by a panic and by long years of depression. The protectionists maintain that from 1846 to 1857 the United States would have enjoyed prosperity under any form of tariff, but that the moment the exceptional conditions in Europe and in America came to an end, the country was plunged headlong into a disaster from which the conservative force of a protective tariff would in large part have saved it. The protectionists claim moreover that in these averments they are not wise after the fact. They show a constant series of arguments and warnings from leading teachers of their economic school, especially from Horace Greeley and Henry C. Carey, accurately foretelling the disastrous results which occurred at the height of what was assumed to be our solid and enduring prosperity as a nation. These able writers were prophets of adversity, and the inheritors of their faith claim that their predictions were startlingly verified. The free-traders, as an answer to this arraignment of their tariff policy, seek to charge responsibility for the financial disasters to the hasty and inconsiderate changes made in the tariff in 1857, for which both parties were in large degree if not indeed equally answerable. The protectionists will not admit the plea, and insist that the cause was totally inadequate to the effect, considering the few months the new tariff had been in operation. They admit that the low scale of duties in the new tariff perhaps may have added to the distress, by the very rapid increase of importations which it invited; but they declare that its period of operation was entirely too brief to create a result so decided, if all the elements of disaster had not been in existence, and in rapid development, at the time the Act was passed. The tariff of 1846 therefore under which there had been a very high degree of prosperity, was, in the judgment of the protectionists, successfully impeached, and a profound impression in consequence made on the public mind in favor of higher duties. PROTECTION IN PENNSYLVANIA.