If a power is not written in the constitution, who does it belong to?

Which of these statements best describes the ambiguity in this excerpt

Which statement describes an important outcome of the congress of vienna? a. napoleon launched his final european military campaigns. b. european states had their borders clearly defined. c. jewish people were given equal right in germanic states d. the slave trade became increasingly important to european economies.

Why was the outcome of oswald’s trial for the assassination of president kennedy