If you are referring to the United Nations speech, if they love their children they should stop destroying the environment because the destroyed environment will be the environment where their children will live. She even says that it's alright if they can't fix it, someone else will fix it, they just need to stop destroying it.
Causes of US failure in Vietnam include b) The United States supported corrupt leaders in Vietnam and d) Only a few US soldiers fought with honor.
One of the biggest issues of the Vietnamese war was that the United States went in because of anti-communism above all other reasons because of the Truman Doctrine. The South Vietnamese leaders were not well liked and were overall corrupt. The knowledge of this back home created a lot of public tension and actually caused soldiers to feel they weren't fighting for a good cause, or even commit war crimes as seen in the My Lai Massacre.
Hope I could help!
The term for the significant growth in population following WWII is the "baby boom." We also now refer to those people as "baby boomers"
