Japan's capital is Tokyo, one of the world's largest cities. Japan is one of the most advanced countries in the world and a leading supplier of fish, as well as the United States' biggest trading partner. The Japanese currency is the yen, the third most traded currency globally. Japan has several unique writing styles including Hiragana, Katakana, Kanji, and Romaji. Traditional Japanese homes incorporate sliding doors and futons. After World War 2, Japan's cities were destroyed and its economy gutted, but with US help it began to rebuild and stabilize, adopting a new constitution. Cardistry is a hobby where the member learned sleight of hand techniques and various card shuffling styles by practicing