What is food problem give two ways

The Food Problem:The global food problem consists of the lack of food provision for the Earth's population. It manifests itself primarily in the poorest countries of the Third World and is currently aggravating as their populations grow.

Two Ways:  The food problem can be solved by planting trees. In the world, there is (more than) 2 billion hectares of degraded farmland available that once was covered with trees. Trees have and can grow again on this land. If we plant these areas again with trees that produce food, we can solve the food problem!!

the answer is richard nixion

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.