‘Precious Metals
he discovery of large quantities of gold and silver in the New World made precious metals a key export from New Spain. This changed the history of the world economy. For instance, when precious metals entered Spain, this inflow drove up the Spanish price level and caused a balance of payments deficit.
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A serious drawback of telegraph devices was that they lacked quality in communication, which is why when the telephone came about – invented by Alexander Graham Bell in 1876 –
Explanation:
B.
<span>to carry out the laws passed by Congress</span>