Herbert Hoover was nicknamed the Food Czar because he provided food to Europe. He was appointed head of the Food Administration by President Wilson.
I mean you generally learn where countries are and their landforms you also learn about the different cultures too
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The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.
The largest ethnic group in Singapore is Chinese.