Constantine was the first roman emperor to embrace christianity (1), and he issued an edict that protected christians (2). this officially ended the persecution of christians and granted them the freedom to worship (3). but the edict failed and christians were persecuted until catholic leaders met at the council of trent (4).

peasants’ war, (1524–25) peasant uprising in germany inspired by changes brought by the reformation, peasants in western and southern germany invoked   divine law to demand agrarian rights and freedom from oppression by nobles and landlords. as the uprising spread, some peasant groups organized armies. although the revolt was supported huldrych zwingli and thomas müntzerits condemnation by martain luther contributed to its defeat, principally by the army of the swabian league. some 100,000 peasants were killed. reprisals and increased restrictions discouraged further attempts to improve the peasants’ plight.

i think it would be " a" i might be wrong tho

google it and it will pop up