The futures varieties in foreign futures markets are cocoa beans. Cocoa comes from the seeds of the cocoa tree. About 3000 years ago, the Mayans in America began to grow cacao trees, which they called cacau. They dried and crushed cocoa beans and then mixed them with water to make a bitter drink. Later, it spread to the Aztec Empire in South America and Mexico. The Aztecs called it chocolate, which means "bitter water". They make hot drinks specially for the royal family, called.