George Westinghouse pioneered the development of
a. direct current
b. alternating current
c. the light bulb
d. kerosene
Ans: b. alternating current
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A pictorial representation of a rhinoceros, variously dated between 59,000 and 23,000 years ago, may suggest:
a. The worship of animals of this sort across wide portions of southwestern Africa. b. An imaginative leap among prehistoric artists, who could create an animal that had not yet appeared, at least in its present form. c. The influence of cross-continental trade, since an identical image appears in the Bradshaw paintings found in Australia. d. Early humans' ability to create symbols that signify something other than the materials from which they were made.
All of the following are correct about warfare in ancient Greece except
a. the use of light infantry in battle because of greater mobility. b. the use of excellent weapons and armor. c. the employment of citizen-soldiers in battle. d. a willingness to engage the enemy head-on, thus deciding a battle quickly. e. the use of heavy infantry.
At Buchlau Castle in 1908 the Russian and Austro-Hungarian foreign ministers discussed the possible annexation by Austria-Hungary of
a. Serbia b. Galicia c. Alsace-Lorraine d. Bosnia-Herzegovina
The main issue for southerners deciding to migrate north involved
a. available transportation networks. b. different cultural issues between the north and south. c. leaving family behind. d. slavery. e. differences in climate.