The main idea of the paragraph is the use of nicknames
My friend Jose from Uruguay is thirteen years old. Jose's nickname is Pepe. He's got green eyes. My little brother is called Jesus and has the nickname of Sito. He's very creative and patient. I have no nicknames, but the mother of my friends in Bolivia has the nickname of my son or M'hija for the children.
It originally belonged to a private owner who used is as an estancia. When the government saw its beauty and historical relevance they gained control over it in 1977.
Nerviosamente, you add -mente to the end of some adjectives to make them adverbs