I would think the answer is C. their advancements in farming and high tech equipment
Hope this helps
Congress was given control over trade between states. Hope it helps.
In the constitution, you can found congressional powers regarding dealings with foreign relations in : C. Expressed
Expressed power refer to the power that is written in the constitution. You can find the written statement about this power in Article 1 of the United states Constitution
I don’t think he was satisfied, Wilson tried arguing that he believed that the people in power should be punished, but not the entire country to suffer. His 14 points prove that. I think it was with a meeting with Britain and France I am unsure but here are some sources
https://www.historylearningsite.co.uk/modern-world-history-1918-to-1980/the-treaty-of-versailles/woodrow-wilson/
https://www.britannica.com/event/Treaty-of-Versailles-1919
Hope this helps!