I would have to go with Completion of the transcontinental railroad in 1869
rich and poor people lived in seperate neighborhoods
Answer:
It was the rise of the modern age.
Explanation:
Marco Polo witnessed the era of splendor of the Mongol Empire and saw things that his Venetian neighbors could not even dream of: remote cities, huge palaces, unknown religions, and strange animals.
When he returned home, many did not believe the wonders that counted. In fact, some parts of the book are believed to be pure invention, but there is no doubt that Marco Polo was one of the greatest travelers in history.
Curiously, after living so many adventures, his story has reached our days by chance: the one that caused him, when he lost that battle against the Genoese, to end up in a cell with a writer who told his story and made it eternal
It spread from Christopher Columbus's Voyage to the New Land
I believe the answer is D
