The primary difference between paper value and real value is that paper has no "real" value in that the currency is based entirely on faith--whereas real value (as it exists in something like Gold) is intrinsically useful. <span />
For most of its early history, the United States played a small role in world affairs. But in the late 1800s, some of America's leaders called for the nation to join the ranks of the world's major powers. As a result, the United States began to acquire influence and territories outside its continental borders. The country was abandoning isolationism and emerging as a new power on the global stage.
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Space exploration led to advances in many fields. Some include the telecommunications, micro-technology, computer science and the solar power. It started the efforts of lauching space devices and competitive countries were able to send space probes to places like the moon and even Venus.
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In 1865 President Andrew Johnson implemented a plan of Reconstruction that gave the white South a free hand in regulating the transition from slavery to freedom and offered no role to blacks in the politics of the South.
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