Answer:
It created more awareness of social injustice and abuse of power.Muckracking journalism resulted in the call to reform big business in the US
Explanation: yes right
The answer to your second question is D.) Welfare
Answer: Based on what i read "Original jurisdiction" cases don't happen often but when they do they one or two cases each term. The most common way for a case to reach the Supreme Court is by getting on appeal from a circuit court.
Explanation: