He tried to find alternative uses for them
The Enlightenment was a European age of reason, where politics, philosophy, and science radically changed. During this period, Europe questioned authority and embraced individual thought and humanity. This period produced a plethora of books, essays, inventions, laws, scientific findings, and revolutions, such as the American and French Revolutions, which were influenced heavily by the Enlightenment period.
Because federalism is a compound form of government, combining a general government with regional governments, the constitutional principle of federalism is seen in the amendment process through state involvement. Amendments are proposed in Congress and are ratified (or not ratified) by the states. Another example is the ability for the states to propose a constitutional amendment, as they can call for a constitutional convention if two-thirds of state legislatures are in agreement. This has never happened before, but it is possible under the Constitution.
The West, region, western U.S., mostly west of the Great Plains and including, by federal government definition, Alaska, Arizona, California, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.