Its C. ending child labor, Hope This Helps!
Answer:
Pennsylvania railroad
Explanation:
Pennsylvania railroad as a supervisor. At the age of 33 in NYC, Carnegie wrote a letter to himself.
Lack of people able to run the court
Answer: B. Huayana Capac was the most successful ruler of the Inca.
Explanation:
A successful ruler can be judged by many things and in the past one very important metric for being successful was increasing the area of your country. People like Augustus, Alexander the Great and Genghis Khan were therefore very successful leaders.
In that same vein, Huayana Capac was the most successful ruler of the Inca according to this map. Under him, the Inca empire grew significantly as he added areas in modern day Chile, Bolivia and Argentina to the empire.