20th Century U.S. History (11th grade)Unit 1 Ch. 19, 20, 21Unit 2 Ch. 22, 23Unit 3 Ch. 24, 25Unit 4 Ch. 26, 27Unit 5 Ch. 28, 29, 30Unit 6 Ch. 31, 32, 33Unit 7 Ch. 34, 35, 36Modern World History (10th grade)Unit 1Unit 2Unit 3Unit 4Unit 5Unit 6Unit 7World History (9th grade)Unit 1Unit 2Unit 3Unit 4Unit 5Unit 6