Congress enacts a statute, the Federal Deposit Insurance Corporation (an administrative agency) issues rules, the Southeast Financial Institutions Association (a private organization) issues instructions, South Valley Bank posts a memo with orders for its employees, and Tina tells her co-worker about a recent news story. Sources of law include:
a. the instructions issued by private associations.
b. the orders posted by employers.
c. the rules issued by federal administrative agencies.
d. the stories released by news agencies.

c. the rules issued by federal administrative agencies.

Explanation:

In this case, only the status enacted by Congress, and the rules issued by administrative agencies are sources of law. The primary source is the law issued by Congress, because Congress is the primary lawmaker in the United States. The executive departments (administrative agencies) use the input from congress to establish regulations that both public and private organizations have to follow.

The instructions issued by private associations, the orders posted by employees, memos and news stories are not sources of law.

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

i dont know sorry why dont you looking it up on google