During the 1500s, what was the most valuable export from new spain?

‘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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explanation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,