During periods of extreme weather events, parts of Sub-Saharan Africa have increased vulnerability to famine. According to your lesson, all of the following can increase a country's or region's vulnerability; however, some factors contribute more than others. In that context, which of the following factors has the least impact on Sub-Saharan Africa's increased vulnerability to famine? Question 18 options: many countries have both rapid urbanization and growing populations political conflict and strife are relatively common in some countries a relatively large percentage of the population lives and works at the subsistence level the climate in parts of the realm is marginal with variable rainfall from year to year