Which preposition to use with nationalization

of Occurrences 10%

The end sought to be attained, namely the nationalization of the basic industries, and even the control of the foreign policy of Great Britain, vindicated the truth of the British Prime Minister's statement that these great strikes involved something more than a mere struggle over the conditions of labour, and that they were essentially seditious attempts against the life of the State.

in Occurrences 1%

At once Greeks and Albanians began a campaign of nationalization in the disputed territory, which resulted in sanguinary conflicts.

Which preposition to use with  nationalization