The Spaniards introduced chocolate to Europe where it quickly became an exotic luxury. In 1657 a London store began selling chocolate and started a trend. As people gathered to drink chocolate and talk, conversation clubs arose. The Cocoa Tree was the most famous. Mass. In the 1870s the Swiss began making milk chocolate, by adding condensed milk to the formula.
Corn is a mixture of several types of wild grass.
From its origins among the Inca of the Andes Mountains, potato cultivation spread through wide areas of the Americas, where it was often a staple crop. The Spanish introduced it to Europe. The English first began to grow potatoes on a large scale. English settlers brought the potato with them to North America after 1600, thus reintroducing it to the New World. In Europe, the potato became a staple in many areas.