nationalize

(rare) To make into, or to become, a nation.

To bring a private company under the control of a specific government.

To bring a concept such as a political issue or commercial campaign to the attention of the entire country.

(politics) To change from having local and regional variation to being national in character and scope.

(archaic) To make national; to make a nation of; to endow with the character and habits of a nation, or the peculiar sentiments and attachment of citizens of a nation.