Alexander couldn't make history in a vacuum, and neither can anyone else. Thanks for watching. I'll see you next week. Crash Course is produced and directed by Stan Muller. The show is written by my high school history teacher Raoul Meyer and myself. Our script supervisor is Danica Johnson, and our graphics team is Thought Bubble. Last week's Phrase of the Week was, "[Bleeped out word for last week's phrase in the show's title screen.]