It's C. Germany sunk the Lusitania and tried to get Mexico to attack the US in the Zimmerman Telegram.
Teddy Roosevelt was also known as the trust buster. He helped to stop the monopolies and the robber barons.
Once a certain interpretation or precedent is set in the Supreme Court, the way the law is interpreted is based on that precedent.
I'm not sure if this is correct, but I believe that establishing a government was a major issue. Deciding how the government should be run took a while to figure out, and many drafts to get the final Constitution.
Hope this helps! Correct me if I'm wrong!