What was Upton Sinclair’s main purpose in writing The Jungle? to promote the democratic views that he adopted as an adult to explain why journalists had an obligation to tell the truth to arouse public sympathy for slaughterhouse workers to prompt Congress to pass food-safety laws.

i need to see the answer to answer the question

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd