<span>True. Social science (as is any science) is always finding new ways to conduct research and finding new evidence that furthers the field. The sciences are always looking for information that will give new insights into how people conduct themselves in groups and as individuals.</span>
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.
Answer: An extreme negative impact
May you make the question a bit more clear please?
The Nile River Valley is your answer
Proof of that, present-day Egypt has the Nile River located inside (and i don't think it has any of the others)
hope this helps
