Why did European rulers denounce the French Revolution?

Here's a breakdown of the key reasons:

1 Threat to Monarchical Authority

2. Fear of Revolutionary Spread

3. Loss of Privilege

4. Political and Military Instability

5. Solidarity with the French Monarchy

6. Emergence of Republicanism

In Response:

European powers formed coalitions against revolutionary France.

They engaged in a series of wars known as the French Revolutionary Wars (1792–1802).

Their goal: contain revolution, restore the French monarchy, and preserve the old order.