Men with barge-loads of bundled blocks of chicle in Belize Harbor. Scientific American, September 13, 1919.
Odd to think of in context. Chicle is a constituent of chewing gum. And it grows in the tropics. Here, in 1919, we see that already there was a global trade in agricultural products.
Of course, there had been for centuries, even millennia. Which makes pondering the cost of things, interesting.
Of course, there had been for centuries, even millennia. Which makes pondering the cost of things, interesting.