All of the answers you chose were correct great job .
I believe that one main reason why is 1. Woodrow Wilson (Who was a democrat) he believed that he did not need to bring anyone from the Senate, which was a Republican :) (I hope this helps! I read this from the internet, I was gonna post it to you but I dont know if its against the rules of Brainly :) If not let me know, and ill send the link)
They began to get greedy and wanted to make a profit with the money that people entrusted to them.
The correct answer of the given question above would be GREAT BRITAIN. In 1900, the nation that controlled more territory than any other Imperial Nation is the Great Britain. Hope this answer helps. Other choices given in this question are Japan, Germany and United States.