*•We copy to-day, from the Nashville Rcpnb-1|interestingINashvim.r, and of ita rapid improvement!Those who come among at now, for the first Ltune, cuss form but u very imjicrfect opinion of bA I«gjthe prodigious progress which the country it *making, in every thing that give*comfort, importnncc nn I influence to n |eoplo. The corlt;morcial operations of the West are immense. j|Who can estimate tlie cpiantity of foreign manufucturrt und foreign products, consumed in thestate* bordering on the Ohio river ? WhatevertIIthis may b*»f it is paid for by the productive in- jiditslry of tho country. One of tire principalWufflugcs of thof labour employed in carrying it on. Theconstruction of steam boat*, the machineryconnected with them, und the persons employedin navigating them, make employment torthousands. These all consume the provisionsof the growth of the country, thus widely extending a market fot the products of the soil.They consume also, a great deal of tho domestic manufactures of the West, and of the North.Indeedgation, operates more beneficially thun the discovery of mines of the precious metals could possibly operate. It create* an incalculablepower of production and of rc-production.This creation has given a new face to all theconcerns of the country, from Pittsburoii toNew-Orlean*, and from the latter te I rankMissouriMississippi, of which the altered condition ofNasuville is but a single specimen