Who received the patent for this device? A) nikola tesla B)thomas edison C) George westinghouse D) alexander graham Bell
I think it is B) Thomas Edison
can you help me with another one? (:
Yea, just post it :P
how did the government aid the expansion of the railroad industry during the mid- and late 19th century? A) By using price controls to ensure profits. B) By providing land grants for building tracks C) By raising tariff rates to prevent foreign competition. D) By preventing unionization of railroad workers.
Q: Who received the patent for this device? Answer: B- Thomas Edison -------------------------------------------------------------------- Q: how did the government aid the expansion of the railroad industry during the mid- and late 19th century? Answer: B) By providing land grants for building tracks
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