Its importance has since been lessened to a certain degree, for there is now direct railway communication from Moscow to Baku, at one end of the Trans-Caucasian Railway, and therefore to Kars itself, via Tiflis; and equally from Batum to Kars at the other end to which military steamers can bring troops and supplies from Odessa and Novorossik in the Black Sea. The most important city in this region is Tiflis, the "city of seventy languages." It may, indeed, be called the modern Babel. As seen from the mountains, it lies at the bottom of a brown, treeless valley, between steep hills, on either side of the River Kura. It is a point of great importance to modern Russia. It forms, to begin with, the end of the great military road across the mountains which, in spite of the railways, is still the quickest way to Europe for an army as well as for travelers, and all the mails come over it by express coaches. From Tiflis a railway runs to Kars, a strong frontier on the Persian frontier. Tiflis has been much developed under the Russian Government. In the modern section of the city the streets are wide and paved and lighted by electricity and the stores are large and handsome while electric railways run in all directions. In the older parts of the city, however, the houses remain as they were built centuries ago, divided out into the many quarters devoted to the residences of the many races and nationalities that compose the population of Tiflis. Between most of them is bitter enmity and prejudice, even among those of the two great religious faiths, Christians and Mohammedans. It is this diversity of interests, which extends throughout all the section down into Persia, which has so complicated the situation on this front. For not only are the two military forces fighting here, but wherever governmental authority is momentarily relaxed, there these mutual animosities flare up into active expression and the most barbarous features of warfare take place, such as the massacres of the Armenians by the Mohammedans. Neither Turkey nor Russia has been especially eager to suppress these bitter feuds, even in time of peace. In time of war there is nothing to restrain them, and the whole region is swept by carnage infinitely more hideous than legitimate warfare. We have now passed over the entire theatre of the battles on the Eastern frontiers of the war in Europe. The battle grounds are familiar to us. In the succeeding chapters we will follow the armies over this war-ridden dominion and watch the battle lines as they move through the war to its decisive conclusion. PART IV--THE AUSTRO-SERBIAN CAMPAIGN * * * * * CHAPTER XLVI SERBIA'S SITUATION AND RESOURCES