What was one significant indication that the european feudal system was effective?
similar systems developed in china and japan.
european peasants voted to keep the system in place.
invaders did not manage to attack europe.
the system put an end to the roman empire.

After charles l became king , tensions increase when he? freed all the prisoners from jail throughout the country formed an alliance with england traditional enemies, france and spain asked parliament to take over the role of taxation dissolved the parliament when members refused to give him funds