N the 1950s and 1960s, people in countries such as India and Mexico were experiencing widespread famine because there were not enough food resources available to provide for their growing populations. Which of the following was a long-term solution that was developed by agricultural scientists to remedy this problem?
A.
Legislation was implemented that called for mandatory food rationing.
B.
Donations of food items from around the world were distributed to the local people.
C.
New varieties of wheat and rice were planted that could yield more grains per plant.
D.
Limitations were made on the number of children per household.