I believe the answer is: <span> Falsifiability
</span><span> Falsifiability refers to the probability of a statement or a theory to be false.
In studying personality, the factors that could influence the result of the study are abundant, ranging from external factors, interaction with other people, the book we read, genetic factors, etc. Because of this, the rate of falsifiability would tend to be higher.</span><span />
They both still traded goods form one country to the next. In both roads, culture and religion spread too.
Poverty? I’m really not sure, you might be able to google that one
