In "the perils of indifference," what evidence does wiesel give that the united states has been successful in ending human suffering?

In "The Perils of Indifference", by Elie Wiesel, he gives evidence that the United States has been successful in ending human suffering by intervening in Kosovo and saving the victims of crimes against humanity. In this speech, Wiesel is speaking about the perils of indifference. As a survivor of the Holocaust, he wants to raise awareness of what the Jews suffered and to show that the world's indifference is dangerous for those who suffer. The United States by the intervention in Kosovo has saved the people who were suffering there.

the answer is   b suffix addition

the eye wink at the hand; yet let that be / which the eye fears, when it is done, to see.