China's economic system before the late-1990s, with state ownership of certain industries and central control over planning , has enabled the government to mobilize whatever surplus was available and greatly increase the proportion of the national economic output devot
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Once early civilizations developed, they continued to change over time. Factors such as the environment, conflicts, and the movement of people and ideas affected civilizations and led to change.
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maybe questions a bout world history or even some civics mixed in
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