Ключевые слова: accounting, america, american, background, bank, banking, banknote, blocks, business, central, closeup, control, cubes, currency, debt, dollar, economic, economy, exchange, fed, federal, finance, financial, inflation, interest, investment, letters, loan, market, monetary, money, object, policy, rate, reservations, reserve, risk, service, states, system, tax, trade, united, usa, wealth,