The idea of the French Revolution was spread to other parts of Europe through various means. Here are some of the ways in which it was spread:

1. Print Media:
One of the main ways in which the idea of the French Revolution was spread was through print media. Newspapers, pamphlets, and books were printed in large numbers and distributed throughout Europe. These publications discussed the events of the French Revolution and the ideas that were driving it. They also criticized the monarchies of Europe and called for reforms.

2. Diplomatic Channels:
The French government actively tried to spread the idea of the revolution through diplomatic channels. French ambassadors and envoys were sent to other European countries with the aim of spreading revolutionary ideas. They also tried to establish diplomatic relationships with other revolutionary movements in Europe.

3. Refugees:
Many people who had fled France during the revolution settled in other parts of Europe. They brought with them the ideas and values of the revolution and spread them to the communities in which they lived. They also established newspapers and organizations to promote revolutionary ideals.

4. Military campaigns:
The French Revolutionary armies invaded many countries in Europe. As they conquered territory, they spread the ideas of the revolution to the people they encountered. The French army also carried with them revolutionary slogans, songs, and symbols.

5. Artistic and cultural expressions:
Artistic and cultural expressions played a significant role in spreading the idea of the French Revolution. Plays, songs, and paintings celebrated the revolutionary ideals and the heroes of the revolution. These works of art were widely circulated and helped to popularize the ideas of the revolution.

6. Intellectual networks:
Intellectual networks played a crucial role in spreading the ideas of the French Revolution. Philosophers, writers, and academics established networks of correspondence and exchange of ideas. They discussed the events of the revolution and the ideas that were driving it. They also criticized the monarchies of Europe and called for reforms.

In conclusion, the idea of the French Revolution was spread to other parts of Europe through various means, including print media, diplomatic channels, refugees, military campaigns, artistic and cultural expressions, and intellectual networks. These efforts helped to create a wave of revolutionary fervor that swept across Europe in the late 18th and early 19th centuries.