3. Agassiz helps people understand how ______________ created natural phenomena in Europe.
(a) Global Warming
(b) God
(c) The Ice Age
(d) The Big Bang

4. "The Builders" is the story of the building of _________________.
(a) The Eiffel Tower
(b) Mount Rushmore
(c) The Golden Gate Bridge
(d) The Brooklyn Bridge

5. Where does Theodore Roosevelt spend his time in this chapter?
(a) Appalachian Mountains
(b) Florida swamps
(c) Mojave Desert
(d) Dakota Badlands

6. What makes it hard to retain workers for the railroad?
(a) The heat
(b) Treacherous terrain
(c) Low pay
(d) The Gold Rush

7. What is the name of Humboldt's book that inspired Charles Darwin and others?
(a) Jungle Stories
(b) My Life with Plants
(c) Personal Narrative
(d) Hot, Humid Horticulture

8. Who takes over the project when John Roebling dies?
(a) Washington Roebling
(b) Richard Remington
(c) U.S. Grant
(d) Warner Roebling

9. What does the person in #80 carry across the bridge as a symbol of victory?
(a) Peace flower
(b) Rooster
(c) Laurel wreath
(d) Trophy

10. Who is Alexander von Humboldt?
(a) Italian artist
(b) German-born naturalist
(c) Inventor of the Humvee
(d) Swiss inventor

11. Who is the president of the project who dies of malaria on the job?
(a) William Henry Aspinwald
(b) Henry Chauncey
(c) Frederic Remington
(d) John Lloyd Stephens

12. Who is Elizabeth Cabot Cary?
(a) Agassiz' sister
(b) Agassiz' secretary
(c) Agassiz' prize student
(d) Agassiz' wife

13. Of what does John Roebling die?
(a) Tetanus
(b) Cancer
(c) Heart disease
(d) Old age

14. What is the major disease that kills many of the workers on the railroad?
(a) AIDS
(b) Diabetes
(c) Malaria
(d) Tuberculosis

15. Who was the New York governor who attended the bridge opening?
(a) Ed Koch
(b) Fiorello La Guardia
(c) Grover Cleveland
(d) John Lindsay