Question

comparing and contrasting the similarities and differences between meals in the United States and Spanish-speaking countries

Answer 1

United states typically has the biggest meal at the end of the day, this is uncommon in Spanish speaking countries
Spanish speaking countries value basics like rice, beans and spices, whereas americans value variety.
Spanish speaking countries tend not to eat alot of meat, most american meals are served with meat

Answer 2

Yes. The biggest meal of the day in Spanish speaking countries is typically lunch.