Given the task definition and input, reply with output. In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.

Sentence: Pitt spoke out against the Convention of El Pardo which aimed to settle the dispute peacefully . 
 Question: what might  have settled something?

the Convention of El Pardo