All I really know about Karl Marx is that he didn't like capitalism. So I would have to say the invention of capitalism.
Answer:
You kind of already got the answer but if you didnt realize it i will repeat it.
It caused High Gas Prices and Oil Shortages.
It happened in the 1800’s it allowed a lot more people to get paid more from their jobs resulting in a higher standard of living. This is where unions came in the picture, they wanted 8 hour work days and no child labor. The gilded age is known as a prosperous time for the nation but the government was very corrupt. There were corrupt industrialists, bankers and politicians who stole and benefited from the working class.
*The trans continental railroad made more people move west and created “robber barons”
*Since the government was corrupt muckrakers became a thing, the muckrakers exposed government corruption and such
This question goes a lot deeper, so if you want to know more just ask in the comments
Answer:
Andrew Jackson developed the spoils system. This was a practice of giving government jobs to a person's political supporters. Andrew Jackson gave government jobs to his supporters, which were often common people. This helped break the hold the upper class had on government jobs.
Dogs will win 2020! They are so cute and cuddly how wouldn’t they win?!?
