2. What population density allowed agriculture?
(a) 60 to 70 people per square kilometer.
(b) 80 to 100 people per square kilometer.
(c) 40 to 60 people per square kilometer.
(d) 60 to 80 people per square kilometer.

3. What was Elman Service's occupation?
(a) Economist.
(b) Anthropologist.
(c) Historian.
(d) Sociologist.

4. How many countries of the third wave of democratization reverted to authoritarianism or saw a significant erosion of democratic institutions?
(a) 1 in 3.
(b) 1 in 10.
(c) 2 in 7.
(d) 1 in 5.

5. How many commanderies were created by the Win?
(a) 63.
(b) 36.
(c) 25.
(d) 15.

6. When was a proposal put forward to limit estates to three thousand mou in China?
(a) 7 B.C.
(b) 12 B.C.
(c) 5 B.C.
(d) 9 B.C.

7. When did Bimbisara become king?
(a) Second half of 14th century.
(b) Second half of 15th century.
(c) Second half of 16th century.
(d) Second half of 17th century.

8. What society is still a hunter-gatherer society?
(a) Pre-Independence America.
(b) The Roman Empire.
(c) Medieval France.
(d) Eskimos

9. When did the Zhou dynasty split?
(a) 870 B.C.
(b) 570 B.C.
(c) 770 B.C.
(d) 970 B.C.

10. Who succeeded Mohammad?
(a) Kahim.
(b) Abu Bakr
(c) Umar
(d) Uthman

11. How many Kalinga died during the Kalinga campaign?
(a) 250,000.
(b) 150,000.
(c) 50,000.
(d) 350,000.

12. How many was were fought during the Eastern Zhou rule of 294 years according to Chapter 7?
(a) 498.
(b) 1211.
(c) 951.
(d) 356.

13. What is a Tit-for-tat's varient?
(a) The golden rule.
(b) The rule of three.
(c) The black rule.
(d) The rule of law.

14. How many enemy soldiers did the state of Qin kill during the period from 356 to 236 B.C?
(a) 2.5 million.
(b) 5 million.
(c) 0.5 million.
(d) 1.5 million.

15. When did Chosroes I rule?
(a) 531-589.
(b) 541-589.
(c) 541-579.
(d) 531-579.