Read the text about fast food . Fast food How did the hamburger become the most popular , most typical American food ? It got its name from the German town of Hamburg , which was famous for its steak . German immigrants to the United States introduced the " hamburger steak " .McDonald's sells hamburgers , one of the world's most famous fast food restaurants . You can find them in Japan , Germany , Panama , Guatemala , Australia , Portugal , Hong Kong and even Moscow . In fact , there are 13,000 in 120 countries . What makes American fast food so popular ? Lee Cho , a South Korean , says : " I often go to McDonald's . It's clean , less expensive than other restaurants and saves time . " Natalia Petrova , a girl from Moscow , says " I find the hamburgers very tasty " . Older people are very critical of this sort of food . Lots of young people in the USA are overweight and parents blame these high calorie foods that their children eat in large quantities
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