Answer:
I believe the answer is the Columbian Exchange.
Explanation:
Answer:
Could you make the picture clearer maybe?
Explanation:
The answer is: Cities
Approximately, around 80% of united states population live in the cities. This happen because most of job opportunities that exist in united states (whether it's art, technology, or manufacturing) are located in the cities.
Because of this, even people who born in rural areas start to move to inner cities in order to find jobs and sustain their living.
Answer:
A. Chancellor Otto von Bismarck
The southern colonies reliance on slave labor eventually could have caused problems because it kept the economy from developing manufacturing jobs or other jobs for the middle class.