The adoption of sugar:
1000s+: mostly used in medicines, also sultans, caliphs [New Guinea crop] “A Persian visitor claimed that in 1040, the sultan’s bakers transformed 162,000 pounds of sugar into a life-sized tree and other sweet replicas.” — Sugar: A Bittersweet History
1400s+: Royals, nobles, knights [addition of Mediterranean crop]
1500s+: European merchant class. [addition of New World crop]
1600s+: working classes
