Answer:
Cause
Explanation:
When you need to solve questions such as this one, the best tool you can use is a dictionary. A dictionary is an alphabetically arranged listing of words that contains various information about them - their definitions, examples, origin, pronunciation, etc.
According to the Cambridge Dictionary, to elicit means to get or produce something, especially information or a reaction. Based on this, we can conclude that the meaning of this word in the given context is to cause - the editor wants his journalist to cause a significant change in foreign policy.