It is a major source of income for communities. Local businesses are the largest employers in a community. If money is spent buying local food, it creates jobs for that community. Buying local food can also be effective in times of global conflict. If countries become involved in war or impose trade restrictions on each other, a food shortage could occur. Heavy reliance on foreign food production and globalization can leave people hungry. By investing in local food, people can continue their daily activities without risking a global shortage.