Concept:
Different political ideologies emphasize different values regarding justice, authority, happiness, and social order.
• Libertarianism emphasizes individual liberty and minimal state intervention, not equality.
• Hedonism/Utilitarianism seeks the greatest happiness of the greatest number.
• Authoritarianism values strong leadership, authority, and obedience.
• Conservatism emphasizes the preservation of traditions, customs, and established institutions.
Step 1: Examine each statement.
• Statement A is incorrect. Libertarians place the highest importance on individual liberty, not equality.
• Statement B is correct. Hedonism/Utilitarianism aims at maximizing happiness for the greatest number.
• Statement C is correct. Authoritarianism supports strong leadership and centralized authority.
• Statement D is correct. Conservatives favour preserving traditional institutions and social order.
Step 2: Identify the correct combination of statements.
The correct statements are
\[
\boxed{\text{B, C and D only}}
\]
Hence,
\[
\boxed{\text{(B) B, C and D only}}
\]