The first metal used by humans appears to have been copper, then bronze came into widespread use, but ____________________ is the key metal of history because it was more common, cheaper, lasted longer, and held an edge better than previous metals
Fill in the blank(s) with correct word
iron
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What was the Edict of Milan?
a. A statement making Christianity the official state religion of the empire. b. Constantine's document officially tolerating the existence of Christianity. c. A document officially dividing the Roman Empire into eastern and western halves. d. A formal deposition of the last Roman emperor, Romulus Augustulus, from his throne. e. A statement making Milan the "New Rome", equal to old Rome.
Germany countered the British naval blockade with ______________.
A. trench warfare B. unrestricted submarine warfare C. targeting of civilian populations D. disregard of neutrality policies E. All of these.
The Gilded Age was characterized by a booming economy and
A) political corruption. B) sweeping political reforms. C) greater social equality. D) prosperity for everyone.
The most significant factor that led large numbers of nomadic hunters to enter the heart of North America was ________
A) the domestication of horses B) global warming C) population growth D) rising water levels E) a mass extinction of large mammals in Europe