Why didn’t Cardinal Richelieu help Charles I at the beginning of the revolution?

Until the death of Cardinal Richelieu in 1642, France participated in the Thirty Years’ War (1618-1648). In addition, the rulers of France were interested in any troubles in England – this weakened their longtime rival. Until 1645, no one in Europe had foreseen that an established monarchy might collapse, being replaced by a republic; the only republics then were Switzerland and the Netherlands.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.