which step is unfinished on the thesis below?\noklahoma is significant due to historical tragedies…

which step is unfinished on the thesis below?\noklahoma is significant due to historical tragedies, geological - richness, and cultural diversity\n○ clean up grammar/capitalization/punctuation\n○ brainstorm\n○ categorize\n○ create the start of the thesis
Answer
Brief Explanations:
The word "oklahoma" should be capitalized as "Oklahoma" at the beginning of the sentence. Also, a period is missing at the end of the sentence. These are grammar, capitalization, and punctuation issues.
Answer:
Clean Up Grammar/Capitalization/Punctuation