States of Austria arable terrain. The other five states, in contrast, are located in the Alps and thus are comparatively unsuitable for agriculture. Their terrain is also relatively unfavourable to heavy industry and long-distance trade. Accordingly, the population of what now is the Republic of Austria has been concentrated in the former four states since prehistoric times. Austria's most densely populated state is the city-state of Vienna, the heart of what is Austria's only metropolitan area. Lower Austria ranks only fourth with regard to population density even though it contains Vienna's suburbs; this is due to large areas of land being predominantly agricultural.
Embassy of the United States, Prague of Germany, and Slovakia becoming an independent state. The next day, ambassador William Carr telegrammed the United States Department of State that "there are no officials of the Czechoslovakian government, to which I am accredited with, whom I can maintain for protection of the interests of the United States and its citizens". Three days later, acting on orders of the United States government, the United States embassy in Prague terminated its mission. The legation and other property of the embassy was, thereafter, transferred to the Consulate-General of the United States in Prague and ambassador Carr returned to the United States.