It's A. Granting unrestricted Freedom to All Religions
In Greek democracy, only male citizens above 18 had true power to vote and have say in government. Today, everybody in the country has that right. There are also some differences in the bodies of governing power, but I don't know too much about them, so I won't say anything because I wouldn't want to give you wrong information. :)
A volcanic eruption happened in Lake Toba in Sumatra, Indonesia in 72,000 BC