Concept:Nationalization means a government takes ownership of business enterprises that were earlier owned by private individuals.
Explanation:When a government acquires enterprises formerly owned by individuals, it transfers them from private hands into public or state ownership.
This process is called nationalization.
Commercialization refers to making a business operate on commercial principles.
Indigenization involves transferring ownership to local citizens.
Privatization is the opposite, as it moves ownership from the government to private individuals.
Only nationalization describes the government taking over privately owned businesses.
Thus, the correct option is D.
Answer:D. nationalization