For the first time, ordinary people became involved in political strife, because of the

Alyrical poets.
Bcavalier forces.
Cprinting press.
Dking's death.

Verified Answer :

CPrinting press
Because printing press helped spread information to everyone. Ex: martin luther the monk he posted on the Catholic church door the 92 theses of the wrong the church is doing so all can see and the public took it down and print pressed it and the 92 theses spread fast in Rome