Ключевые слова: 20, america, american, bank, banking, banknote, banknotes, bill, bills, business, cash, closeup, credit, currency, debt, detailed, details, dolar, dollar, dollars, economy, exchange, finance, financial, fragment, green, history, investment, money, national, note, number, paper, part, pay, payment, rich, savings, sign, states, success, symbol, tax, twenty, united, us, usa, usd, used, wealth,