Volume 1 PART 1 THE UNITED STATES Unit 1 Florida Unit 2 Washington Unit 3 Minnesota PART 2 U.S.INVENTIONS AND INVENTORS Unit 4 Issac Singer's Sewing Machine Unit 5 Josephine Cochrane's Dishwasher Unit 6 Garret A.Morgan's Traffic Light PART 3 U.S.ORIGINALS Unit 7 McDonald's Unit 8 Superman Unit 9 Potato Chips PART 4 HOLIDAYS AND SPECIAL DAYS Unit 10 New Year's Day Unit 11 St.Patrick's day Unit 12 Labor Day PART 5 WASHINGTON,D.C. Unit 13 The Capitol Unit 14 The Smithsonian Institution Unit 15 Arlington National Cemetery PART 6 U.S.ARTS AND ENTERTAINMENT PART 7 THE STORY OF AMERICA Volume 2 Answer Key