Inoculation against smallpox, one of the worst killers in the history of human diseases, was

a. developed by an English doctor.
b. brought back to Europe by Captain James Cook.
c. introduced to Europeans by a traveling doctor from Egypt.
d. a practice that spread to Europe from China, India, and the Middle East.


d

History

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The Nazi attack on Russia was described by German propaganda as a crusade to save Europe from

a. the Cold War. b. "Jewish Bolshevik subhumans." c. the barbarians. d. the Huns. e. Communism.

History

Sustained agriculture in Sumer relied on which of the following?

A) Naturally occurring irrigation ditches that helped water the crops B) Man-made irrigation systems C) Constant annual rainfall that irrigated the fields D) An abundance of labor to work the fields

History

At the time of the beginning of the slave trade, most Africans

A. had well-developed economies and political systems. B. followed the Christian faith. C. had no important cities or trading centers. D. were primitive peoples dominated by warring tribal societies. E. had little commercial contact with the Mediterranean world.

History

Women in ancient Sparta

A. had the same lifestyles as Athenian women. B. were prohibited from leaving their houses. C. could be warriors under male leadership only. D. engaged in physical exercise. E. were not in control of their daughters' education.

History