Benjamin Franklin was a religious, Calvinist, and a figure representative of the Enlightenment. He participated actively in the events that led to the independence of the United States and the drafting of the constitution of 1787, was a great inventor, in addition to contributing to spread Illuminist ideas printed books and magazines.
Advantages. Some historians have suggested that two-party systems promote centrism and encourage political parties to find common positions which appeal to wide swaths of the electorate. It can lead to political stability which leads, in turn, to economic growth.
Martin Luther King Jr wanted and believed in peaceful protests, whereas now people will use violence because they believe it is sometimes necessary to make a change. They want to face or change violence with violence.