the sentence that is being used in both excerpt are logos. The use of the logos appeal here is to give a reason to support and explain her purpose
Both use an appeal to logos by providing a reason to support her purpose.
The irony is that they think that Columbur intends to harm them. But infact, columber wants to help them by giving them a pearl.
The option that most effectively completes the sentence is “allowing world nations freedom of choice, within reason, promotes peace”. According to John Kennedy in his speech delivered at the American University, nations (in this case he refers to the Soviet Union) should not try to impose rules on other nations as this interferes with the process of peace and creates tension.
D. To convince the colonists to fight for independence.