They were different, because in Thinker's case it was ruled in the favor of the students. They had the freedom to publish whatever they wanted, as long as it was not disruptive . In Hazelwood's case it was ruled in favor of the school, because the educators had a power to decide what could be published in student's newspaper.
The impact is that thousands of japenese were forced to work in labor camps due to their threat in WWll.
The answer is C. With the industrial revolution came a surplus of immigrants which in return caused the population to skyrocket. More people = more food. So the correct answer should be C.
The answer was wrong the real answer is southern states block funding