Originally Answered: What changed with the law being put in place (implemented laws)?. What law would be my first question ? Because there are plenty of ...
i would say A).Simon Bolivars death. because i believe he had something to do with the colonization of Latin america and when he died then people gained independence.
Hope this helps
B - rading about the remains of an ancient statue.
While both A and C are very romantic, both would take ages for a professional working archaeologist to dig up anything useful in a reasonable amount of time. The most effective thing that he can do is read primary sources and based on those decide where a temple stood.