Personally, i don't think he is.
John Brown Believed that the only way to overthrow the institution of slavery is by doing an armed revolt. We have to aware that in his Era, slavery is very common. Is like owning a dog in this era. He probably tried to convince the slave owners to realize the value of human's dignity no matter what the race is but nobody agrees with his point of view.
I guess there should be options to choose. Anyway, I know that the answer is: Christopher Columbus planned to find a more direct route to Asia by <span>sailing west across the Atlantic Ocean</span>. He convinced Spanish government to finance a plan to find a rout to Asia through the west across Atlantic. He reached the Caribbean but he thought that he reached West Indies island. This is how European colonization of America began.
Answer:
Running water and internal drainage systems were used to make them more safe and more sanitary to live in. The workers wages were also increased and workers could find jobs in the city.