I’m not saying this is the answer, However ( Autobiography ) sounds Like the best option. =)
Answer: C.Although extracting natural gas from shale in a process called fracking is believed to be safe by industry experts, scientists beg to differ with them.
Explanation: A conclusion is the last part of something, its end or result. In a written work, the conclusion is used to introduce some final comments at the end of the piece of writing. From the given options, the claim restatement that would be most appropriate to start the conclusion paragraph, is the corresponding to option C, because it summarizes the main idea or claim of the essay, without developing more information.
I would say that being anti-racist does not describe America after the abolition of slavery. For decades, up until maybe the 60's African American's were mistreated with things like Jim Crow Laws, that were stopped some time in 1964. While this had ended segregation it most definitely did not end racism. Even now hate groups, like the KKK, are very prominent in America, with over 1,000 recorded in 2018.