Why was the main crops of green revolution were rice and wheat?

The main crops of the Green Revolution were rice and wheat due to their essential roles as staple foods in many developing countries, particularly in Asia. These crops were prioritized because they had the potential for high yields through the use of improved agricultural practices, such as hybrid seeds, fertilizers, and irrigation. Additionally, rice and wheat are adaptable to various climates and soils, making them suitable for extensive cultivation. The success of these crops significantly contributed to food security and reduced hunger in many regions.