Most predictable---United States federal government means the three branches

Political and organisational structure of government The United States of America is a federal republic consisting of 50 states. States have their own constitutions and within each State there are at least two additional levels of government, generally designated as counties and cities, towns or villages. The relationships between different levels of government are complex and varied (see Section B for more information). The Federal Government is composed of three branches: the legislative branch, the executive branch, and the judicial branch. Budgetary decisionmaking is shared primarily by the legislative and executive branches. The general structure of these two branches relative to budget formulation and execution is as follows.