Because they controlled the gold & salt trade.
Hope this helps!
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<h2><em>who was the first u.s. president with a beard while in office?</em></h2>
- <em><u>John Quincy Adams</u> (1825–1829) was the first U.S. president to have notable facial hair, with long sideburns.</em>
<em>hope </em><em>it</em><em> helps</em>