This section introduces the topic by explaining the role that structure plays in protecting liberty and property rights. As illustrations, it explains how federalism offers a role for states and the national government to play in addressing pandemics, race discrimination, and criminal law. It explains how the states and federal government have adopted increasingly different forms of government over time. It then introduces the parts. Part I deals with the judicial branch. The second part of the book looks at current issues facing the executive branch in the state and federal systems. The third part of the book deals with the legislative branch. The fourth part of the book, all in Chapter 9, takes vertical separation of powers one step further: federalism within federalism. The fifth part of the book, all in Chapter 10, addresses the ultimate recourse of liberty: the freedom to change our fifty-one constitutions.