What is the figure of speech of ''crawls''?

Does anyone know the answer to the question?

Which statement from the tinker v. does moines court decision best supports the reasoning that the conduct of the student protesters was within the protection of the free speech clause of the first amendment

Read the sentence from susan b. anthony's "on women's right to vote." hence, every discrimination against women in the constitutions and laws of the several states is today null and void, precisely as is every one against negroes. in this sentence, the author's tone is best described as