Answer:
Its B because it was clearly written at the time that it was happening.
I don't know, what are your choices?
The correct answer is that the Congress has the ability to set up all Federal Courts below the Supreme Court.
The US Constitution only sets up the Supreme Court. All Courts below are set up by the Congress as they are deemed necessary.
The answer is C because A and D are both the reasons as to why Germany went into debt. Also B was the creation of the League of Nations (modern day United Nations). Hope this helps! Let me know if you need more help!