The president of the U.S. Senate is the VP, he is leader of all congress and is deciding vote
The assassination of Archduke Franz Ferdinand and his wife.
Forming an alliance between the "5 Nations"
The answer is D. "Granting Congress any power not explicitly granted by the Constitution will remove all limits on it's powers other then what Congress itself believes to be the good of the nation."
Women at work (factory jobs) propaganda to try and get fundings for the war, all ethnicities are allowed to either go to war or work in a job that is meant for a white man.