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The railroads were temporarily nationalized between 1917 and 1920 by the United States Railroad Administration, because of American entry into World War I. Railroad mileage peaked at this time. Railroads were affected deeply by the Great Depression in the United States, and some lines were abandoned.
An example of real GDP (y) plotted against time (x).Often time is denoted as t instead of x. The IS curve moves to the right if spending plans at any potential interest rate go up, causing the new equilibrium to have higher interest rates (i) and expansion in the "real" economy (real GDP, or Y).
In 1970, the United States government spent just over $80 billion on national defense. Over the next two decades, national defense spending increased steadily to around $300 billion per year. [ 10 ] Military spending fell in the 1990s, but increased markedly in the 2000s as a result of the War in Afghanistan and Iraq .
Some 40 percent of goods traveling long distances in the U.S. move by rail, and that demand is expected to grow. NBC News' Jacob Soboroff takes an inside look at Union Pacific Railroad operations ...
Railroads also needed to communicate over a vast network in order to keep track of freight and equipment.{{r|Chandler 1993"/> Consequently, railroads installed telegraphs lines on their existing right-of-ways. By 1852 there were 22,000 miles of telegraph lines in the U.S., compared to 10,000 miles of track.
The United States, an important export country for food stocks, converted 18% of its grain output to ethanol in 2008. Across the United States, 25% of the whole corn crop went to ethanol in 2007. [76] The percentage of corn going to biofuel is expected to go up.
Across the world, high-speed trains zip from city to city, sometimes topping 250 miles per hour before dropping off hundreds of passengers right in a city’s downtown. However, in the U.S., that ...
Number of establishments by sector in the United States economy in 1997, 2002, and 2007. Value of sales, shipments, receipts, revenue, or business done by sector in the United States economy in 1997, 2002, and 2007. Annual payroll by sector in the United States economy in 1997, 2002, and 2007.