The general relationship between Gross Domestic Product (GDP) and the Human Development Index (HDI) is that they are usually "tied together", in that when one goes up so does the other. This is because countries with greater wealth usually have populations with greater life expectancies.
Cotton could be stored for longer periods of time. Why were the region's rivers especially important to southern farmers? They were trade routes and important transportation routes. The use of scientific methods to improve farming.
The answer is D. i just took the quiz
<span>C. people fear taking risks.</span>
