Answer:
a. to use "green revolution" technologies.
Step-by-step explanation:
According to (FAO) The Food and Agriculture organization, there has been productivity increases in corn, wheat, rice and cereals for the last thirty years in developing countries, as a result of scientific advances in plant breeding and the use of technologies that have helped farmers to fully reach the yield potential of the crops .
This is called the green revolution and is proved to be a strategy to help countries not only to increase food resources and fight hunger.