“2. Facilities for direct and indirect communication with the United States—establishment of new ocean or international railroad lines or agencies; development of internal transportation lines—railroads, highways and steamboat or other carriage on rivers and canals, or betterment of them; opening up of new trade routes or abandonment of old ones; changes in transportation rates, both freight and passenger, which are of general interest to commerce; bounties or subsidies to railroads and shipping. “3. Development or decline of commercial and manufacturing centers; causes of drift of agricultural population to towns and cities; diversion of trade from one local market or district to another; projects for great manufacturing or other industrial enterprises for harbor or river improvement, for better methods of lighting, street paving, water supply, sewerage and disposal of sewage, economy of municipal taxation and expenditure; hygienic and quarantine measures; police systems, urban and rural. “4. Changes in economic condition of producing communities, urban and rural; fluctuations in rates of wages, cost of living, prices of products, raw and manufactured, especially for food supplies, wearing apparel, agricultural and domestic implements, machinery, etc.; scarcity or glut of articles of consumption of all kinds, particularly those produced in the United States; changes in hours of labor or other conditions affecting workingmen, trades’ unions; strikes and lockouts; systems of co-operation and profit sharing; government measures (national, municipal or local) or private (organized) projects for insurance or care of infirm or superannuated laborers, for improved sanitation of factories and dwellings, for regulating the labor of women and children, and for combating usury in the lending of money; technical and commercial education; museums, exhibitions, merchants’ unions and similar organizations for promoting trade, and the functions assumed by the state in connection therewith. “5. All changes in tariff legislation, including new rates of export, import, or transit duties, special care being taken to state whether they discriminate in favor of or against the United States as compared with other countries. When a wholly new tariff law is enacted it should be given in full with an explanatory statement of increase or decrease in duties as compared with the tariff previously existing. Prompt notice of contemplated tariff legislation should be sent to the Department. By tariff legislation are meant not only measures affecting export and import duties, but also those relating to customs administration, transit duties, octroi or municipal taxes upon supplies entering cities and towns, taxes imposed upon the import or export of articles from one political district of a country (such as a state, province, canton, arrondissement, etc.) to another, tonnage, taxes and port dues, or other taxes upon shipping, etc.