They mention poppy fields, which has to do with opium. So they are talking about beautiful opium fields that they had to march through. (The US protects opium fields and sells lots of opium for profit)
Because people can learn from other people, in both in failures and in successes. The founding fathers of the United States took after the Roman republic in modeling after there government. This is why the United States Congress is structured in the same manner as the Roman Congress. Versus the rectangular or roundtable types of congresses that are seen in European countries.
They also took after the Romans on the idea of a republic being comprised of people elected to represent them. These people are also meant to be changed out on a regular basis. And that the public was in control of who was calling the shots on their behalf.
He invented dynamite.
He gave all his money to the Swedish Institute for the Nobel prize because he was accused of gaining wealth from selling weapons to warlords so he wanted to show that he is not corrupt and that he wants to help people instead of allowing them to wage war more easily.
They are similar in every alike ways.
The name given to the loose organization of people dedicated to helping escaped slaves get to free territory was the "Under Ground Railroad." Hope this answer helped!