100 ROUTES OF TRADE. 132. Routes of Trade. We have seen that the same products are not found in all parts of the earth. The rich prairies are best suited to farming, and the higher plains to grazing. The southern plains yield large harvests of cotton, while the high- land of the west produces gold and silver. Let us peep into the stores a moment. Here is tea from China, and coffee from Brazil. This spice is from Java, and this fruit is from the groves of California. This rubber was taken from a tree in the selvas, 5 and these knives came from the workshops of England. = Rivers, railroads and oceans are the chief highways of trade. Much has been done to improve many of these highways. Rocks have been taken out of rivers and harbors, and sandbars have been dredged away. Canals have been made round rapids and waterfalls, as well as from river to river and from sea to sea. It is far cheaper to carry goods by water than by land. On the sea there are no costly roads nor tracks to build and to keep in repair. Every producing region needs one or more shipping pomts. These become centers of trade. They should be within easy reach of all parts of the region, and should connect by water, rail or other route, with the markets of the world. Railroads cross the United States from ocean to ocean, by half a dozen routes. They run along every seacoast. They wind with great rivers. They climb mountains and cross cafons. ‘ Years ago rivers were the chief highways of inland trade, but now railroads have taken first place. To-day cities and towns are dotted all along the lines where freight trains gather up the products of farm, forest and mine.