If Robert McNamara is one of the options, then he is the correct answer - he was important in the Vietnam War, but not during the WWII.
The events of September 11, 2001 were heavily financed by Osama bin Laden as he was the head of the terroristic organization known as Al Quaeda, an importnat terroristic organization known at the time. He also took responsibility for the attacks later on.
Answer: there were many challenges that the American had to face in the late 20thand early 21stcenturies.
By reading the two poems "On the Pulse of Morning" and "One today" I was able to infer some of them. For instance when Maya Angelou said ’’ Women, children, men, take it into the palms of your hands, Mold it into the shape of your most Private need. Sculpt it into ±he image of your most public self. Li² up your hearts Each new hour holds new chances For a new beginning. Do not be wedded forever to fear, yoked eternally to brutshness.” She was saying that we had a problem with dwelling on the past and need to get passed that because to many people have worked hard to make our country the way it is today. So we need to look past how people, look, sound, and originated from and get back to the basic
The government might not be a be able to function if citizens started to not pay taxes, vote, work, and etc.