What does it mean by answering the question In a global way???

Read the excerpt from frederick douglass’s speech “what to the slave is the fourth of july? ”go where you may, search where you will, roam through all the monarchies and despotisms of the old world, travel through south america, search out every abuse, and when you have found the last, lay your facts by the side of the everyday practices of this nation, and you will say with me, that, for revolting barbarity and shameless hypocrisy, america reigns without a rival.what is one way that douglass achieves his purpose of persuading the reader to see his point of view? by relating as many facts and statistics to the reader as possibleby using familiar and casual language to make the reader feel comfortableby using gentle language to evoke a sense of calm and tranquilityby repeating the word “you” to directly relate to the reader

Part b: which phrase from the text best support the answers to part a? a. “i don't want to talk to somebody when i go check in at an airport. i just either download the boarding pass to my phone or walk up to a kiosk and get it.” (paragraph 8) b. “you do not have to go far to find someone who disagrees with andrew mcafee, just around the corner to the office of another person at the same university.” (paragraph 11) c. “the set of things that machines do not do like humans is innumerable.” (paragraph 16) d. “you wonder if you're joining that long litany of voices who go down as having made the incorrect prediction one more time, but i think the facts are different this time.” (paragraph 23)

According to warren in the brown opinion, how did conditions change between the time the fourteenth amendment was adopted and the time the supreme court considered brown v. board of education?