Answer:
Cities became overcrowded as more and more people traveled to the north, looking for factory work.
Explanation:
The answer to your question has to be B
Ebbinghaus discovered that the rate at which we forget newly learned information is initially is 80% in 24 hours.
<h3>What is Learning?</h3>
As a result of experience, learning is "a process that leads to change, which enhances the potential for increased performance and future learning". The learner's conduct, attitude, or level of knowledge may all alter.
In 1885, the psychologist Hermann Ebbinghaus made the discovery that within 24 hours, 80% of freshly learnt information is forgotten.
Learn more about learning here:
brainly.com/question/13466208
#SPJ1
(the answer is C. Peer groups)also if you need help try searching Sociology Ch. 4 on and u can find flash card to help