Letters would be an example of a primary source
The United States policy during the early years of World War II is to remain neutral relationship in regards to war while making and providing war supplies to the Great Britain. Providing war supplies to the Great Britain means that the they have to pay back the United States.
French emperor Napoleon Bonaparte enacts a new legal framework for France known as the Napoleon code
Sarcophagus is a stone coffin not a wooden coffin so it can’t be A but B is The Anthropoid sarcophagus consist of a stone lid and chest. C can’t be it either because they weren’t just buried sometimes displayed above ground, though it may also be buried. I think B is the most accurate answer for this question.