It is C. The Secretary of State William Seward argued that the U.S. should buy Alaska because U.S. wants expand, and Alaska had valuable resources.
<span>Both dynasties used exams to select officials.
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Only era can vary in length of time.Era means age,period which doesn't exactly define the time
Century=100 years
decade=10 years
millennium = 1000 years,
Because he helped establish The State of Israel
