When considering human history we see that "long-run sustainable"
growth in real per capital GDP generally did not occur before the beginning of the 19th century "<span>but now exists in many countries around the world".</span>
Economic growth or Financial development is commonly estimated as the change in per-capita Gross Domestic product (GDP). Supported long term financial development at a positive rate is a genuinely later phenomenon in mankind's history, a large portion of it having happened over the most recent 200 years.
The invention of the cotton gin was a revolution in the cotton industry. Due to the manner in which this sector was exploited in the US, it led to a large increase in slavery in the Southern states, in order to meet the constantly growing demand for cotton using a larger workforce.
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The answer is D: they have a similar range of personality characteristics as do those in general population without down syndrome