Answer:
"When it comes to the lost colony of Roanoke, it's clear that drought is to blame for it's inhabitants disappearances."
Step-by-step explanation:
A strong thesis statement directly states the topic of your paper and expresses your view on the subject.
IMPORTANT: You must find a way to express your opinion/theory as fact. Do this by avoiding first-person pronouns (references to yourself).
Remember not to copy my answer word for word, but to instead rewrite or just use it as an example for your own statement!