Why were secret societies formed in Europe after 1815?

A. Conservative repression के खिलाफ nationalist ideas फैलाने के लिए / To spread nationalist ideas against conservative repression

Step 1: Identify the concept: this is revolutionary nationalism. Step 2: Conservative regimes used censorship so revolutionaries worked through secret societies. Step 3: Remember secret societies with anti-conservative nationalism.

Step 1: concept पहचानें: यह revolutionary nationalism है। Step 2: Conservative regimes censorship लगाते थे इसलिए revolutionaries secret societies के माध्यम से काम करते थे। Step 3: Secret societies को anti-conservative nationalism से याद रखें।