The US also had a farming cartel until just this year - raisins!<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;National_Raisin_Reserve" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;National_Raisin_Reserve</a>