The first is geographical factors. For example, the ratio of population to land is seriously unbalanced, which can not meet the food supply, resulting in perennial food shortage in many countries.
The second is natural disasters. The unusually hot and dry weather has reduced the production of many grain-producing countries in the world to varying degrees. About 45,000 people in Nepal have been affected by drought and floods and are in urgent need of external food aid. Abnormal weather has also had a serious impact on Sudan and some areas in East Africa, making the poor life of local farmers worse.
Third, the political situation is unstable and the war continues. Affected by regional conflicts and the deterioration of the security situation, many local residents are waiting for international food aid. The fourth is the policy factor.