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One cause of the unparalleled material abundance of the United States in the 1950s is the population where in the population likely increase for about thirty million-- contributing to the unparalleled material abundance in the United States during the 1950s.
The African Nation that has been independent is Ethiopia.
In 1868 the Tokugawa shôgun ("great general"), who ruled Japan in the feudal period, lost his power and the emperor was restored to the supreme position. The emperor took the name Meiji ("enlightened rule") as his reign name; this event was known as the Meiji Restoration.
In the late 19th century, immigrants arrived in large numbers on the U.S coast from China for the primary purpose of working on the Transcontinental Railroad.