The rhetorical device used on that excerpt is metaphor, as one can see on the use of freedom on one side and chains of poverty on the other side. As well, there is a metaphorical treatment on the case of good words to good deeds.
Answer:
The Modern Era was centered around the ideas of Individualism and Expressionism during early 1900 is discussed below.
Explanation:
The word individualism was first invented in the nineteenth century, originally almost 1820 in French, and then immediately reached to the other European languages.
Individualism is the trend of people to care about themselves and their family only, Individualism is very ordinarily seen in the early society of Europe and it is seen as the means of creation of the modern western world.
Expressionism is a modernist campaign, originally in painting and poetry, beginning in Germany at the start of the 20th century.
Its characteristic feature is to show the world individually from an individual view.
Yes I believe that Balboa was a self-important man who was the first European to see the Pacific Ocean from land in Panama and I believe he was envious of Vespucci, Cristobal Colon and the Pizarro's who were mainly his contemporaries who were much more successful in their discoveries in finding the American continent, Brazil and Peru.