The social contract principle was introduced during the Enlightment era due to the contribution of both Jean-Jacques Rousseau and John Locke's work and ideas.
The principle describes how the power of a state resides on its citizens, who can grant it to political representatives that are elected through suffrage. Hence, citizens give up their share of state power (their individual rights). In turn, the elected representatives would propose and implement policies on their behalf. This principle is the base of modern representative democracies.
When wealthy or royal ancient Egyptians died, they were mummified and buried in tombs with money, food, wines, jewelry, and other expensive relics. They believed burying a body with expensive valuables, food, and money would assist them in the afterlife. They thought that they would need money and food and other kinds of valuables to live a comfortable life in the afterlife.
It can enable you to change the scenery overlays and this is used as on diting tool for the X‑Plane flight simulator. You can manage the air traffic control flow and even change the output scenery and edit data files.