What do these sources reveal about the impact of the era of liberal reform and the notion of “Progress” throughout Latin America?

What I need to do is analyze three primary sources from Chapter 5 of Latin American Voices (“The Perils of Progress”) and answer the following question: What do these sources reveal about the impact of the era of liberal reform and the notion of “Progress” throughout Latin America? For context, make sure you’ve read Chapter 6 of Born in Blood and Fire. I uploaded the book in pdf and also uploaded chapter 5