Italian physicist Guglielmo Marconi invented practical wireless technology based on what German scientist's work with radio waves?
A. Albert Einstein
B. Carl Bosch
C. Heinrich Hertz
D. Niels Bohr
Answer: C
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Which European country was allowed to maintain trade with Japan?
A) France B) Portugal C) Holland D) Britain E) Russia
Which of the following reflects the closest the United States and the Soviet Union came to a nuclear war?
A) launching of Sputnik B) building of the Berlin Wall C) creation of the Warsaw Pact D) Cuban Missile Crisis
The Equal Rights Amendment proposed in 1972:
A) was never sent to the states for ratification. B) was ratified in 1982. C) failed despite ratification by thirty five states. D) was withdrawn by Congress in 1975.
George Westinghouse pioneered the long-distance transmission of electricity by using alternating current
Indicate whether the statement is true or false.