Overall, countries are better able to feed their populations now than at any other time in the last century. Half of the workforce in the world grows food. Yet farming methods vary widely from country to country. In some parts of Africa, for example, farming has not changed much since ancient times. In fact, much of the agriculture of developing countries is subsistence farming.
Farmers produce just enough to feed themselves and their families.
Farming in advanced economies is more mechanized and productive, better suiting the needs of the population. International Trade International trade is a big word for something that has been around for thousands of years. Two thousand years ago, camels crossed borders to bring rare spices to other countries. But in the truest sense, international trade doesn' t happen among countries. It occurs between producers, or growers, and consumers in the global village.