Answer:
Second Reconstruction Act
Hitler describes Jewish people as vermin to the Master race. He recommended exterminating the Jews.
John Muir influenced Theodore Roosevelt to set aside 100 million acres as federal forests :)
I think that what Mandela means when he speaks of nation building is creating a world where everyone is equal and has rights. I think this because we know that there was a huge racial injustice at the time and Mandela was fighting for black rights. He also used the word reconciliation which means making a view or belief compatible with another or the restoration of friendly relations.
I hope this helped.