They were made of sun-dried mud bricks in ancient Sumeria.
I believe the answer is: universal principles
Universal principles refers to a set of principles that would mostly applicable to the majority of human being regardless of their background and environment.
Example of ethical decision based on universal principles would be not causing any physical harm to people unless you are in a self defense sitaution. This can be created because most people universally would not like being physically hurt.
The correct answer should be Finland. He was hiding in Finland near his return to Petrograd, that is St. Petersburg. He decided to return to Russia when the Soviets gained a majority in Petersburg and he wore a disguise and crossed the border into Russia from Finland.
It shows that the president gets to check in on the other branches and see if they are doing something they shouldn'. It shows that the president has a say in the other branches and other branches have a say to his.