Answer: They both perform evaluations and analyze primary source information, such as documents or a diary, manuscript, autobiography or a form of recording in order to build an accountable idea of how the past was.
Explanation:
To fully understand historical events it is important to consider different perspectives. Archaeology is considered to be a social science since it studies human activity from recovered material remains. Anthropology studies human beings and their behavior is societies. Anthropology serves from the knowledge obtained from archaeology to see how human groups lived based on the descriptions, classification, and analysis of human artifacts, documents and even archeological remains. They both contribute to historical thinking process because they are tools used to understand human history and part of what is also known as historical reasoning skills.
The theory that you are looking for is "the Divine right theory".
This theory claims that only certain people who were given the divine right to do so can create countries and that royalty is supposed to exist as rulers, without being questioned.
The Union victory did solve a handful of problems, it abolished slavery and get rid of the Confederate Union but not every problem could be solved. Personally I would disagree because the Civil War had other problems right after because of the victory.