the answer is not part I think
The people who would most likely support imperialism here would be capitalists and the media. Capitalists because they can produce much higher amounts of goods for a much lower price - exploiting the local population, and the media because they have stories to talk about which sell :)
Bribing elected officials
I believe they were all founded to preserve supplies for wartime.
The answer is A. A helpful website for court case rulings is Oyez.com