"The main reason why the author invents various citizens and residents of Verbonia is to "<span>to draw readers into the story of the city's life" among other things. </span>
He would be both due to the fact, when he arrived in America and he was the first to arrive on the New World. Although he disliked the Natives there, forced them to give their riches and parts of their land. So to many Natives he's viewed as a villain, but to other people he was viewed as a hero and because he completed 4 voyages across the Atlantic
I helped them by being able to trade more goods faster and made the whites usually more "powerful" than the blacks
To show the friendship between the two countries...
Hope this helps