Share to Google Classroom Corn, or maize, is an important part of the Hispanic diet. In fact, the corn we eat today was developed by Indians living in Southern Mexico over 7,000 years ago. Grades: 3 4 5 6 7 8 9 10 11 12 Subject: Social Studies Collection: Hispanic Heritage Series: PeriscopeHispanic Heritage | PeriscopeD. Comamos