Correct option is A
Equality will be the most essential principle of Liberalism.
Information Booster :
Liberalism is a political and moral philosophy emphasizing:
1. Individual Rights
Protection of civil liberties (speech, religion, property).
Equality before the law.
2. Limited Government
State power constrained by constitutions/rule of law.
Checks on authority to prevent tyranny.
3. Free Markets
Support for capitalism, private enterprise, and free trade.
Social Progress
Tolerance, secularism, and reform through democratic means.
However , Democracy and Social Justice is one of the principles of Liberalism but it not the MOST essential principle .