Mexico

- The Wnshington Unionsays the first business trnnsacted by th Mexican Congress was to lay on the talie ihe American ove rt ure for peace. They then pnssed a resolulion declaring their delermination to prosecute the war ta th$ last extremilies - in the words of our in formant, to make it a wnr to tho hilt, An act was also passed to raise half a million of dollars a month, as requirecj by the Executivo esiimates for the support of the army - though how the money was lo be raised does not vet appoar. Mr. Miller stated in the United Slatea Señale last week, that he believed when all expenses of the Mexican War were paid, it would be found that thcy amourrted to one hundrtd vñlUons nf dmllnrg V thëfrtt jftar