4. During the epidemics of the late 1840s and 1850s, how many Londoners would typically die of cholera in a matter of weeks?
(a) 800.
(b) 500.
(c) 450.
(d) 1,000.

5. When long ago were composting pits used by the citizens of Knossos?
(a) 7,500 years.
(b) 8,000 years.
(c) 4,000 years.
(d) 4,500 years.

6. By September 4, how many workers at the Eley Brothers factory had gotten cholera?
(a) 35.
(b) More than 2 dozen.
(c) About 20.
(d) 18.

7. On September 4, what did Whitehead hear residents blaming as the cause of the cholera outbreak?
(a) New sewers.
(b) Stench in the air.
(c) Cesspools.
(d) Water.

8. At the beginning of The Night-Soil Men, what river would the toshers wade through the muck of low tide?
(a) Thames.
(b) Cray.
(c) Lea.
(d) Darent.

9. In 1854, how long did some people complain that it took a letter to reach its destination in letters written to editors of newspapers?
(a) 8 hours.
(b) 7 hours.
(c) 5 hours.
(d) 6 hours.

10. Who designed Regent Street to connect Marylebone Park wit the Prince Regent's new home at Carlton House?
(a) William Marlboro.
(b) John Nash.
(c) Andrew Smythe.
(d) David Withers.

11. In Eyes Sunk, Lips Dark Blue, how many sheep would the main livestock market at Smithfield regularly sell in two days?
(a) 500.
(b) 23,000.
(c) 30,000.
(d) 15,000.

12. How long did London remain the manufacturing center of England?
(a) Until 1850.
(b) Until 1845.
(c) Until 1855.
(d) Until 1835.

13. On September 4, in the three days since the outbreak, how many residents of well-to-do houses had died?
(a) Half.
(b) Third.
(c) Quarter.
(d) Eighth.

14. In 1842, what was the average age of death for the well-to-do male?
(a) 48.
(b) 50.
(c) 55.
(d) 45.

15. In the mid-1800s, how many firms supplied water to London?
(a) Roughly 10.
(b) 20.
(c) About 12.
(d) 13.