This document provides an overview of key concepts in the US Constitution, including federalism, separation of powers, checks and balances, and the three branches of government. It discusses how the founders created a flexible system of government with institutions to make, enforce, and interpret laws. It also examines how American federalism has evolved over time with a shifting balance of power between the federal and state governments.

1. THE CONSTITUTION

29. INSTITUTIONS

42. CHECKS and BALANCES

54. STUDY QUESTIONS