It depends how you want to travel and where too. I suggest just tell your close friends and family
Answer:
Facts and examples
Explanation:
To prove something you must provide evidence. Which includes facts and examples.
The most credible source for researching the life of President Bill Clinton is Bill Clinton himself.
It's his life and it's his story to tell. Since he is still alive it is better to conduct an interview with him about his life story. You can also do interviews with the people in his life since childhood to corroborate with his stories.