Since WWII, Germany's eastern territories became apart of Poland. "Central Germany" is usually defined as being apart of the federal states of Saxony Thuringia and Saxony-Anhalt. It has even been said to be apart of a smaller part of this region, such as the metropolitan area of Leipzig and Halle as well as surrounding countries.
C
Given that the World population changed little between this time, we can gather than the birth and death rates were similar, since they seem to cancel each other out from 1200-1400. To clarify, think of this. If you add something to a total (think births to population), but take away the same number (think deaths from population) you end up with the same total as before. Because of this, A is the correct answer choice (The birth rate and death rate were about equal).
The position of the sun in the sky
C. tobacco tourism and sugar