Everything is correct in the thesis statement with well written topics. You did a really good job on also making it informational. This also helps you do well in the writing process for your assignment. Good Job! :)
The mortercycal if roaring like a loin
The different spelling of the Safari sign in "The Sound of Thunder" signifies that they have in some way changed the future by disrupting the past (the butterfly Eckels stepped on and brought with him to the present).
The answer is D. The travelers have disrupted history.