Answer:
that all men are created equal and that government is based on the consent of the governed, became the foundation for the US political ideal of popular sovereignty: that the government exists to serve the people, who elect representatives to express their will.
Well it depends what they are in need of. They most commonly would want more land for their country to build and farm on. They may want land with fertile soil for farming. They may want the land because of it's geography, for example, for simple trade routes leading to and from the areas around north America (Canada, Mexico) etc.
The cultures that were mummifying people may have gotten supplies and had trade routes with Shang China.
Although science has come a long way in this regard, burials still often cannot reveal when the deceased person died, or even when exactly he or she lived. It also cannot tell much about the person's true beliefs, although it may give clues as to the profession or religion of the deceased.
What the burial can or cannot tell depends significantly on the age, complexity, and preservation of the burial itself, but generally there is a great deal that a burial cannot tell historians.
