The answer is C. Slaveholders believed they helped enslaved people by providing food, shelter, and clothing while relieving them of responsibility.
For anyone looking in the future, the answer is true.
Answer: B. by working together voluntarily
In 1883, railroad companies were able to standardize their timetables. One of the best practice that they did is that they work together voluntarily for the welfare of the majority. It is the unity that they were able to construct that made the standardization of their timetables.
To promote worldwide peace.