Unit 1: Reconstruction Online Textbook/Module 

Unit 2 (3 Online Textbook Chapters for this Unit): 

Module 12: The Gilded Age (Industrialization)

Module 13: Immigration & Urbanization

Module 14: The Progressive Era

Unit 3: Module 15 U.S. Imperialism

Unit 4: Module 16 World War 1

Unit 5: Module 17 The Roaring Twenties

Unit 5a: Module 18 The Great Depression

              Module 19 The New Deal

Unit 6: Module 20 World War 2

Unit 7: Module 21Cold War Module 21