Given the task definition, example input & output, solve the new input case.
In this task you're given a question and you have to paraphrase the question to create the output question while retaining the meaning of the original question.
Example: What can one do after MBBS?
Output: What do i do after my MBBS ?
In this example both the question ask the same thing about what to do after MBBS hence second question is the correct output 

New input case for you: Other than the Napoleonic Wars, what were the most devastating wars of the 19th Century?
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
I want to travel to Lebanon, Would it affect my visa application to U.S?