Which constitution can be admitted the principle of federalism?

The principle of federalism can be found in constitutions that establish a division of powers between a central government and regional or state governments. Notable examples include the Constitution of the United States, which delineates powers and responsibilities between federal and state authorities, and the Constitution of Canada, which allocates powers to both the federal and provincial governments. Additionally, countries like Australia and Germany also incorporate federalism within their constitutions, promoting a system of governance that allows for shared authority.