It would disrupt checks and balances of the government.
I'm going to guess and say that there are choices and go with Credit unions are typically owned and run by their members and Credit unions limit membership to certain people or groups.
This is a personal question, which means that only you can answer it. However, I can give some examples that might help guide your work.
An example of a primary source that you might encounter in your own life is that of a news article. As this article is likely to be written by a reporter witnessing the events, it can be considered a primary source. On the other hand, an example of a secondary source would be a non-fiction book that talks about a historical event. This is because such a book would give a second-hand account of an event based on historical information.
What do we answer?? I will edit my answer if we have to answer something.