This document discusses different types of taxes in the United States at the federal, state, and local levels. At the federal level, it describes the personal income tax, corporate income tax, social insurance tax, excise tax, estate and gift tax, import taxes. It also discusses mandatory and discretionary spending by the federal government. For states, it outlines that education is typically the largest expense, while other spending includes public safety, highways, and public welfare. Sources of state revenue are sales tax and varied income taxes. Local governments also spend on services and raise revenue through property taxes.