A reliable source
An unusual source means it could be wrong, and ancient source could contain incorrect information according to new information known in modern day, and although a source may be relevant, that does not necessarily mean it has correct information; it only means the information is connected to the subject you are researching.
It would be "the Environmental Protection Agency" that primarily deals with domestic policy issues, since this agency protects the environment of the United States.
I think C as the person isn't showing any violence, is helping someone they don't know and is trying to please God.
Answer:4
Explanation:US immediately declared war on the japs
