The correct option is: "Rapid industrialization"
The twentieth century was characterized by advances in technology, medicine and science; the end of slavery in the so-called underdeveloped countries; the liberation of women in most of the Western countries; but more than anything because of the growing development of the industry, converting several countries, including the United States, into world powers.
The answer is Spain. Please Brainliest if im correct, thanks!
Answer: They called them robber barons because they didn't pay their workers as much as they got paid.
