federalism

One of his proposed solutions is federalism - he is offering to hold a referendum on devolving more power to Cameroon's 10 provinces.

Short of amending the document, or tearing it up altogether, they recognized it was pointless to pretend that federalism didn't exist or to only recognize the idea when it was politically useful.

There still is something called federalism in the United States.

Centralization of executive power has strained India’s federalism.

Everything else — federalism, three branches of government, two houses of the legislature, an independent judiciary — had been around for a long time, in theory and in practice.