Characteristics. Castiel entering Jimmy Novak after he accepts the agreement. As warriors of God and agents of fate, angels are extremely powerful beings in the supernatural world. They are superhuman beings superior to mortals in both power and intelligence.
The larger goal was uniting Americans around the war effort.
Cracking down on dissent would be a negative action in support of the larger, positive goal the government sought. The government wanted a fully united public in support of the war, and so it put out the message that that freedom of speech might have its limits in times of war.
I believe that the direct effect of the passage of the Seventeenth Amendment is that it improved representation of the people, because now they were able to directly choose Senators, which made the whole voting process a lot democratic.