the Chinese people were finally unified under one later
The term "rule of law" means that everybody should follow what the law dictates. Nobody is exempted from following the written law unless explicitly stated as an exemption to the law.
"Rule of law" is very important legal principle in governing a nation. Since, people in the government is elected to a limited term, the only constant in the government is the laws it has passed. Therefore, whoever is seated in a government position must adhere to the letters of the law and not make his own laws based on his personal whim.
There is considerable uncertainty over the exact nature of the church’s argument with Galileo. It has been suggested that his real crime was publicly to challenge the authority of a Catholic hierarchy that in fact included many who were sympathisers or supporters, or even that the heliocentric issue (Copernican Theory) was less of a problem than his atomic theories, which undermined the doctrine of transubstantiation (the conversion of the bread and wine into the body and spirit of Christ in the mass)
Judging by the fact that the Aztecs are famous for violence and human sacrifices, the word "Kill" would fit in the blank.
When contemplating the reason(s) for the failure of the United States to approve the Treaty of Versailles, appended to which was The Covenant of the League of Nations, one needs to keep in mind the provision of the United States Constitution pertaining to international treaties. The authors of the constitution were very concerned about establishing a form of government that would be exceedingly unlikely to devolve into a dictatorship.