Concept:Nationalization involves the transfer of private industries into state ownership and control.
Explanation:Nationalization takes place when the government acquires an industry from private individuals or companies.
The state assumes full responsibility for running the industry and making its major decisions.
Governments adopt this policy to bring essential sectors like power, transport, and banking under public control.
The main purpose is to ensure that such industries operate in the public interest and not for private gain alone.
Through this process, the government can manage production, pricing, and the distribution of vital goods and services.
It also helps to safeguard national interests and promote economic stability.
Option A is wrong because nationalization is not aimed at preventing existing firms from liquidation.
Option B is wrong because earning more profit for the government is not the primary motive.
Option C is wrong because nationalization does not target aliens alone; it affects all private owners of the industry.
Therefore, the central objective of nationalization is to bring an industry under state ownership and control.
Answer:D. bring an Industry under state ownership and control.