Free markets based on supply and demand is an application of natural law to the government's role in the economic lives of it's citizens.
I think it should be because diplomats is the representative of a nation and negotiating with other nations could be more easier if we're already friendly with the diplomat. Also the way we treat their diplomat is also the way of how we treat the nation he/she representing and it would add a good standing in the global status if we are respecting the diplomats.
C. <span>Early humans were forced to move to new environments.
Hope I helped :)</span>
