It is policed, however, by troops of United States cavalry with headquarters at Fort Yellowstone, near the Mammoth Hot Springs, and the building of roads and other improvements is under the direction of the Secretary of War.
It was in Bela's reign that the emperor Frederick I., in the spring of 1189, traversed Hungary with ioo,000 crusaders, on which occasion the country was so well policed that no harm was done to it and the inhabitants profited largely from their commerce with the German host.
He called the new kingdom Ch'ao- Hsien, pacified and policed its borders, and introduced laws and Chinese etiquette and polity.
But since Napoleon introduced the "war of masses" the only alternative to cantoning the troops is bivouacking, which if prolonged for several nights is more injurious to the well-being of the troops than the slight relaxation of discipline necessitated by the cantonment system, when the latter is well arranged and policed.
The city is admirably policed, has an abundant water supply, and can in many respects compare favourably with the smaller provincial capitals of Europe and America.