True: It does reduce the buildup of greenhouse gases in the atmosphere
The answer is A. war childs
A. natural rights (through process of elimination, you can determine that the other principles were mentioned in the US Constitution not the Declaration of independence)
Kings were chosen by the warriors. The king would be the leading warrior
Sources are used in a paper to show what ideas inspired you and whose theories you would be using and you cite the sources in order to avoid plagiarism. If you don't have sources, your paper will not be valid and you could get accused of plagiarism. The more sources you use the better but you should keep in mind that they need to be important for the paper and used with a purpose and not just to increase the number of sources.